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Home / Computing & IT / IT Terminology

Computing & IT >> IT Terminology Abbreviations

Look through 5000 acronyms and abbreviations related to IT Terminology:

KML — Keyhole Markup Language
SOX — Sarbanes-Oxley
OSS — Open Source Software
FM-200 — Firemaster / Fire Master 200
LCR — LIFETIME CLINICAL RECORD
HIPAA — Health Insurance Portability and Accountability Act of 1996
LAN — Local Area Network
RFID — Radio Frequency Identification
FTP — File Transfer Protocol
DYLD — dynamic link editor
YMMV — Your Mileage May Vary
L3F — Layer 3 Forwarding
CUG — Closed User Group
MAN — Metropolitan Area Network
ANOVA — Analysis of Variance (statistics)
WWW — World Wide Web
MBR — Master Boot Record
VDU — Visual Display Unit
MOODLE — Modular Object-Oriented Dynamic Learning Environment
ROM — Read-Only Memory
ODBO — OLE DB for OLAP
A11Y — accessibility
IRC — Internet Relay Chat
DBMS — Database Management System
0-DAY — zero Dimension
IT — Information Technology
EOF — End Of File
WML — Wireless Markup Language
LIFO — Last In, First Out
RADCAB — Relevancy Appropriateness Detail Currency Authority Bias
CSMA/CA — Carrier Sense Multiple Access/Collision Avoidance
SVPCO — Small Value Payments Co.
ISO — International Organization for Standardization
ARPANET — Advanced Research Projects Agency Network (early internet)
AD — Administrative Domain
IPL — Initial Program Load
CPE — Customer Premises Equipment
MSG — Message
SAAS — Software as a Service
EDI — Electronic Data Interchange
LASER — Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
NFS — Network File System
DDOS — Distributed Denial of Service
CD — Compact Disc
BRAS — Broadband Remote Access Server
ACE — Access Control Entry
Y2K — Year 2000
MMS — Multimedia Messaging Service
MB — Megabyte
FET — Field Effect Transistor

ANSI — American National Standards Institute, Inc.
CS — Computer Science
ABI — Application Binary Interface
ISP — Internet Service Provider
PDH — Plesiochronous Digital Hierarchy
DSA — Digital Signature Algorithm
TR — Technical Report
J-CODE — Japan code
DDL — Data Definition Language
AAC — Advanced Audio Coding
YYYY-MM-DD — Year Year Year Year - Month Month - Day Day
BTW — By The Way
AES — Advanced Encryption Standard
RPG — Report Program Generator
AUP — Acceptable Use Policy
U2F — Undetectable and Untraceable Fraud
SPL — Sound Pressure Level
GPRS — General Packet Radio Service
DAC — Discretionary Access Control
HTTP — Hypertext Transfer Protocol
CPU — Central Processing Unit
SAN — Storage Area Network
PDA — Personal Digital Assistant
AMP — Ampere
ABR — Available Bit Rate
SCSI — Small Computer System Interface
ACD — Automatic Call Distributor
CU — Control Unit
DFS — Distributed File System
GSM — Global System for Mobile Communications
WAN — Wide Area Network
LCD — Liquid Crystal Display
AC — Access Control
RNC — Radio Network Controller
CGI — Common Gateway Interface
NIC — Network Interface Card
MFKS — Multifunktionales Konferenzsystem
SMTP — Simple Mail Transfer Protocol
OEM — Original Equipment Manufacturer (usually in reference to car parts)
FINRA — Financial Industry Regulatory Authority
CBC — cipher block chaining
VR — Virtual Reality
EOM — End Of Message
DSU — Data Service Unit
CMOS — Complementary Metal-Oxide Semiconductor
KPI — Key Performance Indicator
IP — Internet Protocol
SYN — Synchronous
RPC — Remote Procedure Call
RFP — Request For Proposal

NOS — Network Operating System
PDP — Policy Decision Point
GIS — Geographic Information System
WEP — Wired Equivalent Privacy
R&D — Research & Development
RF — Radio Frequency
ERP — Emergency Response Plan
BCM — Business Continuity Management
IM — Instant Message
IPS — Intrusion Prevention System
TCB — Trusted Computing Base
RFC — Request For Comment
FLOGI — Fabric Login
SN — Sequence Number
LPI — Lines Per Inch
FISMA — Federal Information Security Management Act
FSM — Finite State Machine
TCP — Transmission Control Protocol
GD&T — Geometric Dimensioning and Tolerancing
UGC — User Generated Content
FAR — False Acceptance Rate
DIT — Directory Information Tree
WAS — Web Application Server
SIG — Special Interest Group
DOCOMO — Do Communication over the Mobile network
MS — Message Store
NDM — Network Data Mover
EF — Expedited Forwarding
ADK — Additional Decryption Key
IFRS — International Financial Reporting Standard
PMI — Project Management Institute
LCP — Link Control Protocol
GRE — Generic Routing Encapsulation
RDP — Remote Desktop Protocol
MSA — Metropolitan Statistical Area
CIO — Chief Information Officer
MSN — Microsoft Network
MIC — Message Integrity Check
I/O — Input/Output
FX — Foreign Exchange
AD — Active Directory
NIH — Not Invented Here
B — Byte
MRI — Magnetic Resonance Imaging
SLA — Service Level Agreement
XSL — eXtensible Stylesheet Language
ATM — Asynchronous Transfer Mode
AMP — Amplifier
MOS — Mean Opinion Score
NPI — National Provider Identifier

YP — Yellow Pages
WDM — Wavelength Division Multiplexing (fiber optics)
YACC — Yet Another Compiler-Compiler
GTS — Generic Traffic Shaping
IOS — Internetwork Operating System
OUI — Organizationally Unique Identifier
ATA — Advanced Technology Attachment
POC — Proof Of Concept
B CHANNEL — Bearer Channel
VAN — Value Added Network
LLC — Logical Link Control
NM — Nanometer
MFC — Microsoft Foundation Class
LMI — Local Management Interface
SLIP — Serial Line Interface Protocol
R_A_TOV — resource allocation timeout value
FC — Fibre Channel
IEE — Institution of Electrical Engineers
PLD — Programmable Logic Device
UDP — User Datagram Protocol (FDDI related)
PLMN — Public Land Mobile Network
SKU — Stock Keeping Unit
IS — Intermediate System
M — Meter
DAMA — Demand Assigned Multiple Access
PWR — Power
DLC — Digital Loop Carrier
AF — Audio Frequency
IAP — Internet Access Provider
EGA — Enhanced Graphics Adapter
RW — Read-Write
SAM — Software Asset Management
VM — Virtual Machine
DTE — Data Terminal Equipment
NSP — Network Service Provider
ARPA — Advanced Research Projects Agency (made early internet)
ECC — Elliptic Curve Cryptography
BW — Bandwidth
HARQ — Hybrid Automatic-Repeat-Request
PDL — Page Description Language
QOS — Quality of Service
CDR — Clinical Data Repository
CC — Carbon Copy
DES — Data Encryption Standard
SMS — Short Message Service
BECN — Backward Explicit Congestion Notification
B-HAVW — Behavioral Heuristic Analyzer in Virtual Environments
IC — Integrated Circuit
MAC — Message Authentication Code
LSR — Local Service Request

BCC — Blind Carbon Copy
E_D_TOV — error detect timeout value
TLB — Translation Lookaside Buffer
SGML — Standard Generalized Markup Language
NES — Nintendo Entertainment System
TTL — Transistor-Transistor Logic
UHF — Ultra High Frequency (300-3000 MHz; 1m-10cm)
CMS — Color Management System
DHCP — Dynamic Host Configuration Protocol
DEC — Digital Equipment Corporation
NLB — Network Load Balancing
DBA — Database Administrator
ADP — Accidental Damage Protection
CAPTCHA — Completely Automated Public Turing test to tell Computers and Humans Apart
USB — Universal Serial Bus
EAP — Extensible Authentication Protocol
RS — Runescape
H-MENU — Hierarchical menu
DPC — Destination Point Code
HLA — High Level Architecture
D CHANNEL — delta channel
CIS — Clinical Information System
VNC — Virtual Network Computing
FXO — Foreign Exchange Office
DEA — Data Encryption Algorithm
MD — Management Domain
MARS — Multicast Address Resolution Server
AR — Access Rate
FFT — Fast Fourier Transform
LVM — Logical Volume Manager
ECN — Explicit Congestion Notification
HSM — Hierarchical Storage Management
AA — Anti-Aliasing
CTRL — Control
PDF — Portable Document Format (created by Adobe Acrobat)
AM — Amplitude Modulation
EDS — Electronic Data Systems Corporation
MTA — Mail Transfer Agent
PMR — Private Mobile Radio
EMF — Electromotive Force
PAP — Printer Access Protocol
BI — Business Intelligence
ACL — Access Control List
AAL — ATM Adaptation Layer
ICT — Information and Communication Technology
ZIP — Zone Information Protocol
ICMP — Internet Control Message Protocol
IOT — Internet of Things
CRL — Certificate Revocation List
IME — Input Method Editor

ASP — Active Server Page
PVC — Polyvinyl Chloride
AGP — Accelerated Graphics Port
CEF — Cisco Express Forwarding
WAI-ARIA — Web Accessibility Initiative - Accessible Rich Internet Applications
SID — Security Identifier
GPO — Group Policy Object
ARU — Audio Response Unit
RLL — Run Length Limited
LED — Light-Emitting Diode
DLR — Design Layout Record
HDLC — High-Level Data Link Control
DFM — Design for Manufacturability
DOP — Dilution Of Precision
WOW — World of Warcraft
TPF — Transaction Processing Facility
PNG — Portable Network Graphics (graphic file standard/extension)
LEO — Low Earth Orbit (satellite communications)
RCS — Revision Control System
RS — Recommended Standard
L10N — Localization
MIMO — Multiple Input, Multiple Output
VB — Visual Basic
OMG — Object Management Group
CERT — Computer Emergency Response Team
ICE — In-Circuit Emulator
D-COMMERCE — digital commerce
QBDL — Query Based Distribution List
MSL — Mean Sea Level
RTS — Request To Send
SIEM — Security Information and Event Management
AI — Artificial Intellegence
BRA — Basic Rate Access
AMTA — American Mobile Telecommunications Association
UC&C — Unified Communications & Collaboration
RAD — Rapid Application Development
DOA — dead on arrival
OTN — Optical Transport Network
OH — Overhead
C-GREX — Chaos Game Representation Explorer
R-UIM — Removable-User Identity Module
GPS — Global Positioning System (ex-NAVSTAR)
APR — Apache Portable Runtime
PEP — Policy Enforcement Point
PCB — printed circuit board
MDA — Monochrome Display Adapter
VHF — Very High Frequency
UA — User Agent
AT — Advanced Technology
SIL — Safety Integrity Level

LOS — Line Of Sight
BT — British Telecommunications
NSA — National Security Agency
ADC — Automated Data Collection
AJP — Apache JServ Protocol
ANS — Area Navigation System
AV — Anti-Virus
TLS — Transport Layer Security
BSD — Berkeley Software Distribution
NL — New Line
CARE — Customer Account Record Exchange
WML — Website Meta Language
AOA — Angle Of Arrival
DIA — Dedicated Internet Access
CIM — Common Information Model
3GPP — 3rd Generation Partnership Project
FQDN — Fully Qualified Domain Name
VLL — Virtual Leased Line
S.W.I.F.T. — Society for Worldwide Interbank Financial Telecommunication
RIP — Routing Information Protocol
LFS — Linux from Scratch
PSW — Program Status Word
DNS — Domain Name System
ADT — Abstract Data Type
LOC — Lines Of Code
TMS — Transportation Management System
CATV — Community Antenna Television
FE — Fast Ethernet
DB — Database
MS — Millisecond
VOD — Video On Demand
IPX — Internetwork Packet Exchange
DOM — Document Object Model
AU — Audio Unit
USART — Universal Synchronous/Asynchronous Receiver/Transmitter
MTBF — Mean Time Before Failure
CFM — Cubic Feet per Minute
V H — Vertical and horizontal grid points
ALSA — Advanced Linux Sound Architecture
ACM — Association for Computing Machinery
CPM — Corporate Performance Management
UAE — Unrecoverable Application Error
BOD — Business Object Document
BT — BlueTooth
SWIM — System Wide Information Management
IDE — Integrated Drive Electronics
ECB — Event Control Block
STP — Spanning Tree Protocol
BP — Base Pointer
GPL — General Public License

API — Application Programming Interface
USL — UNIX System Laboratories
PSP — Personal Software Process
V2P — Virtual to Physical
AGC — Automatic Gain Control
NIC — Network Information Center
CVS — Concurrent Versions System
IC — I See
IE — Internet Explorer
SCTP — Stream Control Transmission Protocol
DA — Destination Address
TCL — Tool Command Language
FR — Frame Relay
SFP — Small Form-factor Pluggable
ASCII — American National Standard Code for Information Interchange
APC — American Power Conversion
KDSI — thousand (K) Delivered Source Instructions
MMR — Modified Modified Read
URI — Uniform Resource Identifier
IETF — Internet Engineering Task Force
TB — Terabyte
RPG — Role Playing Game
DCE — Distributed Computing Environment
ADO — ActiveX Data Objects (Microsoft)
AMI — Advanced Metering Infrastructure
COBOL — COmmon Business Orientated Language. Acronym-derived name for the early computer language. (Ack RL) See also BASIC.
NTFS — New Technology File System
MDM — Master Data Management
BSSID — Basic Service Set Identifier
OTP — One Time Password
NIS — Network Information Service
MCU — Multipoint Control Unit
BBS — Bulletin Board System
ACE — Adobe Certified Expert
CAN — Campus Area Network
ES — Errored Second
RJ45 — Registered Jack - 45
PCI — Peripheral Component Interconnect
AS — Autonomous System
CCS — Coded Character Set
GTT — Global Title Translation
ISA — Industry Standard Architecture
G — Giga-
B — Bit
BCD — Binary-Coded Decimal
RTP — Real-Time Transport Protocol
GUIP — Graphical User Interface for Blind people
CTO — Chief Technology Officer
ALU — Arithmetic Logic Unit
MODEM — Modulator-Demodulator

CSMA/CD — Carrier Sense Multiple Access with Collision Detection
OSS — Online Service System
EBCDIC — Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD)
TE — Traffic Engineering
AOE — ATA Over Ethernet
PPM — parts per million
EA — Enterprise Agreement
SWAT — Samba Web Administration Tool
ACK — ACKnowledgment
COMSAT — Communications Satellite Corporation
IMC — Internet Mail Consortium
AIR — Additive Increase Rate
DVD — Digital Versatile Disc
EMR — Electronic Medical Record
UAUTH — user authentication
SPF — Sender Policy Framework
S/STP — Shielded STP
SKMS — Service Knowledge Management System
PSP — PlayStation Portable
GUI — Graphical User Interface (goo-ey)
BO — Business Object
RIM — Reference Information Model
HSD — High Speed Data
MSD — Most Significant Digit
WAB — Windows Address Book
CIC — Circuit Identification Code
FA — Foreign Agent
FXS — Foreign Exchange Station
LDT — Local Descriptor Table
D-CHANNE — delta channel
BOM — Bill of Material
AFM — Atomic Force Microscope
RFS — Ready For Service
DCC — Digital Command Control
IVR — Interactive Voice Response (telephone technology)
ZDBOP — Ziff-Davis Benchmark Operation
HSDPA — High-Speed Downlink Packet Access
PLOGI — port login
NBSP — Non-Breaking Space
RDBMS — Relational Database Management System
RACON — Radar Beacon
ICS — Internet Connection Sharing
DCI — Display Control Interface
PPD — Postscript Printer Description
SPC — Stored Program Control
1RU — 1 Rack Unit
HSM — Hardware Security Module
PAN — Personal Area Network
ALGOL — Algorithmic Language
GTM — Global Traffic Manager

MHZ — Megahertz (Megacycles Per Second)
HPC — High Performance Computing
CIA — Confidentiality, Integrity and Availability
DAP — Directory Access Protocol
EPO — Emergency Power Off
LF — Line Feed
TOP — Technical Office Protocol
HAN — Home Area Network
CSC — Card Security Code
T-COMMERCE — television commerce
GP — General Protection
COS — Class Of Service
CF — Compact Flash
SB — Sound Blaster
TFT — Thin Film Transistor
GWT — Google Web Toolkit
TAR — Tape Archive
YA- — Yet Another
H/S LAN — High-Speed Local-Area Network
PDN — Public Data Network
SM — Set Mode
GDS — Global Directory Service
LGPL — Lesser General Public License
SLI — Scalable Link Interface
ASR — Automatic Speech Recognition
EMS — Expanded Memory Specification
DPI — Deep Packet Inspection
DMZ — Demilitarized Zone
OU — Organizational Unit
FSF — Free Software Foundation
ASN — Autonomous System Number
BPA — Business Process Automation
OOB — Out-Of-Band
PD — Public Domain
CBT — Computer Based Training
AM — Access Method
EX — Exchange
DAL — Dedicated Access Line
ACK — Acknowledge (telecommunications; Cf. NAK)
UCM — Unified Change Management
HMA — High Memory Area
HADR — High Availability Disaster Recovery
ETS — European Telecommunication Standard
SMS — Storage Management Subsystem
APM — Advanced Power Management
RP-TNC — Reverse Polarity Threaded Neill-Concelman
VSM — Value Stream Mapping
ATO — Assemble To Order
AIN — Advanced Intelligent Network
LU — Logical Unit

PAT — Port Address Translation
LPC — Linear Predictive Coding
NAS — Network Access Server
E-PAPER — Electronic paper
COD — Call of Duty
DDS — Digital Data Service
DTR — Data Terminal Ready
NAC — Network Access Control
FCP — Fibre Channel Protocol
AMD — Active Matrix Display
QA — Center for Quality Assurance in International Education
CPP — C Plus Plus, C (programming language)
DOMAIN — Distributed Operating Multi-Access Interactive Network
I-DEAS — Integrated-Design Engineering Analysis Software
MPL — Mozilla Public License
ASN — Abstract Syntax Notation
SMS — Security Management System
BOBJ — Business Objects SA
WCF — Windows Communication Foundation
AARP — Appletalk Address Resolution Protocol
VC — Virtual Channel
RTF — Rich Text Format
PIO — Programmed Input/Output
O.K.I. — Open Knowledge Initiative
EMF — Electromagnetic Field
FDX — Full Duplex
RTSP — Real Time Streaming Protocol
ISC — Internet Software Consortium
CDI — Customer Data Integration
EDC — Electronic Data Capture
KVA — kilo Volt Ampere
GIMP — GNU Image Manipulation Program
SPI — Stateful Packet Inspection
QBDG — Query Based Distribution Group
BMS — Basic Mapping Support
CFA — Color Filter Array
ER — Entity Relationship
DL — Double-Layer
RAC — Real Application Cluster
DPL — Descriptor Privilege Level
CAT — Computer-Assisted Translation
TCB — Task Control Block
BOC — Bell Operating Company
SIM — Security Information Management
W3C — World Wide Web Consortium
AIS — Alarm Indication Signal
LLDP-MED — Link Layer Discovery Protocol-Media Endpoint Discovery
HCL — Hardware Compatibility List
JNI — Java Native Interface
MVS — Multiple Virtual Storage

IDE — Integrated Development Environment
CEM — Customer Experience Management
SYSOP — System Operator
LPF — League for Programming Freedom
CO — Central Office
RC — Release Candidate
LDR — Light Dependent Resistor
K — Kilo-
OID — Object Identifier
RFU — Ready For Use
DSO — Data Source Object
AMI — Alternate Mark Inversion
GIGO — Garbage In Garbage Out (computing)
TCM — Thermal Conduction Module
NIS — Norton Internet Security
CTS — Clear To Send
TOS — Type Of Service
ESRB — Entertainment Software Rating Board
CD — current density
BC4J — Business Components for Java
PLA — Programmable Logic Array
MCA — Micro Channel Architecture
ISR — Interrupt Service Routine
SIM — Subscriber Identity Module
OSPF — Open Shortest Path First (ATM)
SA — Source Address
E-DISCOVERY — Electronic discovery
TE — Terminal Equipment
RSL — Received Signal Level
AMT — Active Management Technology
HACTIVISM — from "hack" and "activism"
GMSK — Gaussian Minimum Shift Keying
TF — Trap Flag
DDD — Data Display Debugger
ARIA — Accessible Rich Internet Applications
AEC — Architecture, Engineering, Construction
ADL — Advanced Distributed Learning
GDP — Gateway Discovery Protocol
PGP — Pretty Good Privacy (encryption)
EUC — Extended Unix Code
MOH — Music On Hold
BYOD — Bring Your Own Device
OCR — Optical Character Recognition
ESE — Extensible Storage Engine
AR — Augmented Reality
ADC — Analog-Digital Converter
BER — Bit-Error Rate
TCU — Transmission Control Unit
NRO — Number Resource Organization
PVR — Personal Video Recorder

MEB — Memory Expansion Board
BCE — Bell Canada Enterprises
CKO — Chief Knowledge Officer
BTM — Benchmark Timing Methodology
BERT — Bit Error Rate Tester (telecommunication)
BPA — Business Process Analysis
LPC — Local Procedure Call
URL — Universal Resource Locator
ICP — Internet Content Provider
CN — Corporate Network
DBS — Direct Broadcast Satellite
XDM — X Display Manager
MSS — Managed Security Services
CRT — Cathode Ray Tube (type of TV)
DOD — United States Department of Defense
HR/DSSS — High Rate/Direct Sequence Spread Spectrum Physical Layer
XPS — XML Paper Specification
SRAM — Static Random Access Memory (ess-ram)
FDDI — Fiber Distributed Data Interface
VOP — Velocity of Propagation
M-BUSINESS — Mobile Business
ARP — Address Resolution Protocol (ATM)
RTK — Real-Time Kinematic
F/STP — Foil STP
M-COMMERCE — mobile commerce;
DCS — Digital Cross-connect System
CAV — Constant Angular Velocity
WTLS — Wireless Transport Layer Security
AOR — Address of Record
BOD — Bandwidth on Demand
CISC — Complex Instruction Set Computer
SLM — Service Level Management
DRAM — Dynamic Random Access Memory (dee-ram) (computing)
BIC — Bank Identifier Code
ISDN — Integrated Services Digital Network
NCQ — Native Command Queuing
CA — Computer Associates International Inc.
RAM — random-access memory
COOP — Continuity of Operations
AFK — Away From Keyboard (Internet Chat Abbreviation)
TP — Transport Protocol
SEM — Strategic Enterprise Management
CDMA — Code Division Multiple Access (voice/data transmission)
SR — Speech Recognition
AIO — All in One
NAV — Norton Anti-Virus
IDR — Intelligent Disaster Recovery
PIN — Personal Identification Number
NPL — Netscape Public License
CNA — Converged Network Adapter

KB — Kilobit
I²C — Inter-Integrated Circuit
IDC — Internet Data Center
BSP — Board Support Package
RED — Random Early Detection
LV — Logical Volume
RIA — Rich Internet Application
P-X — Pentium - (numbers)
IR — Infrared
NETBIOS — Network Basic Input/Output System
HD — Half-Duplex
CIS — CompuServe Information Service
EIRP — Effective Isotropic Radiated Power
MTS — Microsoft Transaction Server
ES-IS — End System to Intermediate System protocol
CAP — Carrierless Amplitude/Phase Modulation
AIT — Advanced Intelligent Tape
CCTV — Closed-circuit television
NIMH — Nickel Metal Hydride (Ni Is The Chemical Symbol For Nickel)
IM — Identity Management
DAO — Disk-At-Once
ASLR — Address Space Layout Randomization
SAIC — Science Applications International Corporation
SOA — Start of Authority (domain name system record)
RAD — Radiation Absorbed Dose
MPI — Master Patient Index
EARL — Enhanced Address Recognition Logic
PDC — Personal Digital Cellular
FAQ — Frequently Asked Questions (sometimes Pronounced Fak)
EDM — Engineering Data Management
TFS — Team Foundation Server
TEC — Tivoli Enterprise Console
CCIE — Cisco Certified Internetwork Expert
WD — Western Digital
PA-QSA — Payment Application Qualified Security Assessors
IRP — I/O Request Packet
DTS — Digital Theater Systems, Inc.
SD — Secure Digital
MARS — Monitoring, Analysis and Response System
CIR — Committed Information Rate (Frame Relay)
ECO — Engineering Change Order
SBC — Single-Board Computer
UAT — User Acceptance Test
CVSD — Continuous Variable Slope Delta (modulation)
XMPP — Extensible Messaging and Presence Protocol
ICF — Internet Connection Firewall
CDS — Correlated Double Sampling
NLS — National Language Support
TAO — Track-At-Once
SPI — Serial Peripheral Interface

EDM — Electronic Document Management
FE — Field Engineer
AMR — Audio Modem Riser
CAS — Computer Algebra System
IKE — Internet Key Exchange
WPF — Windows Presentation Foundation
OSI — Open Systems Interconnection (iso Standard)
INTEL — Integrated Electronics
PERT — Program Evaluation and Review Technique
GB — Gigabyte
FIR — Finite Impulse Response
ASIC — application-specific integration circuit
FT — Fault Tolerant
DLC — Data Link Control
SPX — Sequenced Packet Exchange
3M — Minnesota Mining And Manufacturing Company
QOE — Quality of Experience
ADN — Advanced Digital Network
CSE — Custom Search Engine
WOW — World Organization of Webmasters
OPML — Outline Processor Markup Language
LOB — Large Object
ISM — Industrial, Scientific and Medical
FC-AL — Fibre Channel-Arbitrated Loop
SOM — System Object Model
ASML — Advanced Semiconductor Materials Lithography
EGL — Enterprise Generation Language
RPL — Remote Program Load
DXDIAG — directx diagnostics
PCT — Private Communication Technology
IDM — Internet Download Manager
FRS — File Replication Service
EOL — End Of Life
ICE — Information and Content Exchange
PDC — Primary Domain Controller
RTO — Recovery Time Objective
RTM — Read the manual (meaning «don’t ask stupid questions before read existing information»)
NIM — Network Interface Module
WIC — WAN Interface Card
ZEROCONF — Zero Configuration Networking
SNMP — Simple Network Management Protocol (ATM)
PS — Picosecond
ENX — European Network Exchange
CIS — Card Information Structure
MAPP — Microsoft Active Protections Program
BSS — Business Support System
BIT — Binary Digit (either 0 Or 1)
MSS — Maximum Segment Size (TCP/IP)
DCAP — Data (Link Switching) Client Access Protocol
ACI — Access Control Information

AUV — Autonomous Underwater Vehicle
DSM-CC — Digital Storage Media Command and Control
OP — Operator Panel
OLAP — Online Analytical Processing
NEC — National Electric Code
ATG — Art Technology Group, Inc
NMS — Network Monitoring System
HIP — Host Identity Protocol
CFA — Circuit Facility Assignment
RDL — Report Definition Language
PF KEY — Program Function Key
SDP — Service Delivery Platform
ACR — Allowed Cell Rate
OS — Operating System
IGS — IBM Global Services
AMH — Automated Material Handling
MXF — Material eXchange Format
CDF — Channel Definition Format
MDM — Meter Data Management
CA — Collision Avoidance
UV — Ultraviolet (Light)
LVD — Low Voltage Differential
LLU — Local Loop Unbundling
MTTR — Mean Time To Repair
EGNOS — European Geostationary Navigation Overlay Service
ES — End System
NAI — Network Associates, Inc.
VHD — Virtual Hard Drive
FCS — Fibre Channel Standard
NPA — Numbering Plan Area
BPS — bits per second
EUTELSAT — European Telecommunications Satellite Organization
OWL — Object Windows Library
VPN — Virtual Private Network (ATM)
GMRS — General Mobile Radio Service
MITM — Man in the Middle
AAT — Average Access Time
SWT — Standard Widget Toolkit
IDIOT — Intrusion Detection In Our Time
LNIB — Like New In Box
PSTN — Public Switched Telephone Network
ARM — Advanced RISC Machines Ltd
FPM — Fast Page Mode (DRAM)
LVOL — logical volume
XFR — Transfer
RCP — Remote Copy Protocol
ALT — Alternative Lengthening of Telomeres
ODA — Open Document Architecture
AS — Activesync
UC2 — Unified Communications & Collaboration

MTSO — Mobile Telephone Switching Office
COPS — Common Open Policy Service
MOM — Microsoft Operations Manager
SCM — Source Code Management
ZOPE — Z Object Publishing Environment
DSR — Dynamic Source Routing
VLF — Very Low Frequency
LD — Laser Disc
DNR — Digital Noise Reduction
TBR — Technology Business Research
CIX — Commercial Internet Exchange
FORTRAN — FORmula TRANslation (a computer language)
MCP — Multi-Chip Package
POS — Point Of Sale.Retail term, being the physical point at which products are displayed on shelves or paid for at the checkout, as in the EPOS acronym.
RPF — Reverse Path Forwarding
EDIFACT — Electronic Data Interchange for Administration Commerce and Transport
EVA — Enterprise Virtual Array
DCOM — Distributed Component Object Model
MUA — Mail User Agent (Internet email)
L1/L2 CACHE — level-1/2 cache
BOL — Books Online
FIFO — First In, First Out
IOPS — Input/Output Operations Per Second
DEP — Data Execution Prevention
SVG — Scalable Vector Graphics
RMC — Resource Monitoring and Control
DID — direct inward dial
SSL — Secure Socket Layer
WYSIWYG — What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms)
ITU — International Telecommunication Union
KISS — Keep It Simple Stupid
CORS — Continuously Operating Reference Stations
MHS — Message Handling System (electronic)
SNS — Social Networking Site
NSA — Network Security Appliance
CARP — Common Address Redundancy Protocol
CBDS — Connectionless Broadband Data Service
PC — Personal computer (host)
SQL — Structured Query Language
BAR FILE — broker archive file
UM — Unified Messaging
ACF — Access Control Field
TCA — Transaction Cost Analysis
ESI — Edge Side Includes
ATP — AppleTalk Transaction Protocol
PXE — Preboot Execution Environment
RTG — Radioisotope Thermoelectric Generator
DSL — Digital Subscriber Line
GML — Generalized Markup Language
ROI — Return on Investment

PSN — Playstation Network
GOS — Grade Of Service
YIM — Yahoo! Instant Messenger
USB — Upper Side Band
ALM — Asynchronous Line Multiplexer
DCCP — Datagram Congestion Control Protocol
AA — Automated Attendant
EMA — Enterprise Management Architecture
FDM — Frequency Division Multiplex
ARS — Action Request System
CE — Connection Endpoint
BSOD — Blue Screen Of Death
CIC — Cisco Info Center
UL — Underwriters Laboratory
GPF — General Protection Fault
HZ — cycles per second (hertz)
VSE — Virtual Storage Extended
SOW — Statement Of Work
CAN-SPAM — Controlling the Assault of Non-Solicited Pornography and Marketing Act of 2003
CAD — Computer Aided Designer
VPLS — Virtual Private LAN Service
PCL — Printer Command Language
PPP — Point-to-Point Protocol
P2SC — Power 2 Super Chip
CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
ATL — Automated Tape Library
CRM — Customer Relationship Management
EPABX — Electronic Private Automatic Branch Exchange
PS — Photoshop
SA — Source-Active
LAC — L2TP Access Concentrator
SBS — Small Business Server
ARA — Apple Remote Access
MARS — Multivariate Adaptive Regression Splines
CCA — Citrix Certified Administrator
AMMA — Advanced Memory Management Architecture
ADCCP — Advanced Data Communications Control Procedures
AVR — Automatic Volume Recognition
ERP — Error Recovery Procedure
NNTP — Network News Transfer Protocol
PSN — Processor Serial Number
DOS — Disk Operating System
CCTA — Central Computer and Telecommunications Agency
NTF — No Trouble Found
TSF — Text Services Framework
QBE — Query By Example
CGI — Conseillers en Gestion et Informatique
EOS — Ethernet Over SONET
DAA — Distributed Application Architecture
BGP — Border Gateway Protocol (routing protocol)

CAM — computer aided manufacturing
VCD — Video Compact Disc
CRLF — Carriage Return Line Feed
INMARSAT — International Maritime Satellite
OWL — Web Ontology Language
DAR — Disk Archive
HSB — Hue, Saturation, Brightness
SFT — System Fault Tolerance
CIP — Common Industrial Protocol
IEEE — Institute of Electrical and Electronic Engineers, Inc.
RADVD — Router Advertisement Daemon
PIXEL — Picture Element
SCADA — Supervisory Control And Data Aquisition
CISO — Chief Information Security Officer
TUR — Trunk Utilization Report
DPA — Document Printing Application
PU — Physical Unit (IBM)
PDU — Protocol data unit (such as segment, packet, frame, etc.)
DTP — Desktop Publishing
CHAP — Challenge Handshake Authentication Protocol (ATM)
PRI — Primary Rate Interface (ISDN)
CCU — Communication Control Unit
LPA — Linear Power Amplifier
KWH — Kilowatt hour (one thousand watt hours) (measurement)
ACF2 — Access Control Facility 2
IFL — Integrated Facility for Linux
RFS — Remote File System
DTM — Dynamic synchronous Transfer Mode
GDS — Global Data Synchronization
LED — law enforcement desk; light emitting diode
DLP — Data Leak Prevention
SDLC — Synchronous Data Link Control
IBSG — Internet Business Solutions Group
GOMS — Goals, Operators, Methods and Selection Rules
IA-32/64 — Intel Architecture - 32/64
UCD — User-Centered Design
VRU — Voice Response Unit
US — Unit Separator
FCS — Frame check sequence (Ethernet)
ADDM — Automatic Database Diagnostic Monitor
MMS — Microsoft Media Server
AP — access point
TOA — Time Of Arrival
JVM — Java Virtual Machine
TDM — Time Division Multiplexer
VFM — Virtual File Manager
EIM — Enterprise Identity Mapping (IBM)
AHP — Analytical Hierarchy Process
UCM — Universal Content Management
FAN — File Area Network

MAC — Media Access Control
CMRS — Commercial Mobile Radio Service
DHA — Directory Harvest Attack
STX — Start of Text
LNP — Local Number Portability
IEC — International Electrotechnical Commission
AMS — Access Method Services
DMA — direct memory access (computer term)
OBEX — Object Exchange Protocol
DOS — Denial Of Service
XML — Extensible Markup Language
GDM — Global Delivery Model
COW — Copy-On-Write
NTP — Network Time Protocol
SPA — Software Publishers Association
ICE — Interactive Connectivity Establishment
SRT — Source Routing Transparent
ECMA — European Computer Manufacturer's Association
EIB — Execute Interface Block (CICS)
CCITT — Comite Consultatif International de Telegraphique et Telephonique (International Telegraph and Telephone Consultative Committee) [now ITU-T]
IBM — International Business Machines Corporation
GIB — Gibibyte
EUEM — end user experience monitoring
DSP — Digital Signal Processor
NASS — Network Attachment Subsystem
DASD — Direct Access Storage Device
PNP — Plug aNd Play
COTS — Commercial Off the Shelf Software
DSSS — Direct Sequence Spread Spectrum
MVNO — Mobile Virtual Network Operator
DV — Digital Video
LRF — Little Rubber Feet
SW — Software (SFTWE Preferred)
IEC — Interexchange Carrier
BIP — Bit-Interleaved Parity
BAPI — Business Application Programming Interface (SAP)
LDAP — Lightweight Directory Access Protocol (pronounced Ell-dap)
SOAP — Simple Object Access Protocol
FOC — Field Oriented Control
MTU — Maximum Transmission Unit
PF — Parity Flag
XNRL — Xml Namespace Related-Resource Language
LES — LAN Emulation Server
UCD — Unicode Character Database
LA — Load Address
IPL — International Private Line
IPV4 — Internet Protocol Version 4
NCI — Network Channel Interface
BFR — Bona Fide Request
KBS — Knowledge-Based System

MTTF — Mean Time To Failure
FCC — Federal Communications Commission (US)
CLI — Command line Interface (Cabletron)
CDH — Customer Data Hub
PEAP — Protected Extensible Authentication Protocol
WMS — Warehouse Management System
ASP — Application Service Provider
DLL — Dynamic Link Library (computer file)
RRPP — Rapid Ring Protection Protocol
VAROS — Variable Refraction Optical System
IFRAME — inline frame
PMR — Perpendicular Magnetic Recording
PCM — Pulse-Code Modulation
TED — Torrent Episode Downloader
DDE — Dynamic Data Exchange (in software parlance)
FPS — Flexible Payments Service
POP — Point Of Presence (Internet)
RACF — Resource Access Control Facility
FCL — Framework Class Library
SMART — Self-Monitoring Analysis And Reporting Technology
SLIC — Subscriber Line Interface Card
GFP — Generic Framing Procedure
SWAP — Shared Wireless Access Protocol
EAS — Enterprise Application Server
GAP — Groups, Algorithms and Programming
ICMS — Incentive Compensation Management System
RS — Record Separator
DXC — Digital Cross-Connect
RDA — Remote Data Access
ABM — Asynchronous Balance Mode
OPOD — Oracle Procurement On Demand
MDS — Master Data Services
DAE — Disk Array Enclosure
TOE — TCP/IP Offload Engine
PDF — Program Development Facility
PBX — Private Branch eXchange (company phone system)
ADSM — ADSTAR Distributed Storage Manager
DML — Data Manipulation Language
MIPS — Millions of Instructions Per Second
DRM — Digital Rights Management
CNAME — Canonical Name
ARIN — American Registry for Internet Numbers
ZCAV — Zone Constant Angular Velocity
CMS — Content Management System
AWG — American Wire Gauge
AAB — All-to-All Broadcast
MPOE — Minimum Point of Entry
MODEM — MOdulator/DEModulator
RTT — Radio Transmission Technology
URT — User Registration Tool

QD — Queuing Delay
HHT — Hand-Held Terminal
MS — The Company Microsoft
CPOE — Computerized Provider Order Entry
CMM — Capability Maturity Model
LANE — Local Area Network Emulation
LSA — Local Security Authority
CCD — Charge Coupled Device - a device for the movement of electrical charge.
HPF — High Pass Filter
NRM — Normal Response Mode
BPEL4WS — Business Process Execution Language for Web Services
HTT — Hyper-Threading Technology
VSNL — Videsh Sanchar Nigam Limited
DWS — Dialable Wideband Service
IOS — Input/Output Supervisor
ECC — Error Correction Code (Error Checking And Correction)
WTL — Windows Template Library
VSWR — Voltage Standing Wave Ratio
LL — Local Loopback
RMA — Rate Monotonic Analysis
ACID — Atomicity Consistency Isolation Durability
ODBC — Open Database Connectivity
IDT — Interrupt Descriptor Table
QPM — QOS Policy Manager
ASR — Automated System Recovery
RARP — Reverse Address Resolution Protocol
VOIP — Voice Over IP (Internet Protocol)
POTS — Plain Old Telephone Service (FCW)
MAPS — Mail Abuse Protection System
CPC — Cost Per Click-through
MH — Mobile Host
AT&T — American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
ZB — ZettaByte
MOO — MUD Object Oriented
BFT — Binary File Transfer
EM — End of Medium
OLIVE — On-Line Interactive Virtual Environment
LSR — Leaf Setup Request
MIT — Massachusetts Institute of Technology (U.S.)
BTX — Balanced Technology Extended
ICC — Internet Commerce Corporation
CNN — Cable News Network's
LRU — Least Recently Used
LP — Logical Partition
MIB — Management Information Base (ATM)
EAI — Enterprise Application Integration
BPV — Bipolar Violation
FIPS — Federal Information Processing Standard
NLA — Network Location Awareness
DASH — Desktop and Mobile Architecture for System Hardware

MPN — Microsoft Partner Network
TTP — Trusted Third Party
3G — Third Generation mobile phone network
VIC — Voice Interface Card
PSB — Program Specification Block
DDNS — Dynamic Domain Name System (networking)
JBOD — Just a Bunch Of Disks/Drives
RTU — Remote Terminal Unit
ETA — Embedded Transport Acceleration
BPDU — Bridge Protocol Data Unit
DX — Direct X
RUS — Recipient Update Service
ARM — Asynchronous Response Mode
PEARL — Process and Experiment Automation Realtime Language
NNI — Network-to-Network Interface (ATM)
MPEG — Motion Picture Experts Group
CCP — Certified Computer Professional
DSM — Dependency Structure Matrix
ABEND — Abnormal End
CPC — Calling Party Control
XHTML — Extensible Hypertext Markup Language
KHZ — kilohertz (1000 cycles per second)
ACAP — Application Configuration Access Protocol
BCP — Best Current Practice
BRI — Basic Rate Interface
MPLS — Multiprotocol Label Switching
SCPC — single channel per carrier
LAIPE — Link And In Parallel Execute
RAN — Radio Access Network
DVMRP — Distance Vector Multicast Routing Protocol
SSH — Secure Shell (Unix program)
BCC — Block Check Character
JJ — Josephson Junction
FAX — Facsimile
YB — Yottabyte
NIST — National Institute of Standards & Technology (US)
TED — Technology Entertainment and Design
IDS — Intrusion Detection System
PVC — Permanent Virtual Circuit (ATM)
COAX — Coaxial
OLE — Object Linking and Embedding (Microsoft communication protocol)
NLP — Natural Language Processing
CAROT — Centralized Automatic Reporting on Trunks
SAM — Serial Access Memory
MI — Multiple Inheritance
MAP — Manufacturing Automation Protocol
NDR — Non-Delivery Receipt
ENIW — Web-enabled Ethernet Networking Interface
IPM — Interpersonal Message
BEEP — Blocks Extensible Exchange Protocol

ICA — Independent Computing Architecture
TFRC — TCP-Friendly Rate Control
EGP — Exterior Gateway Protocol
CDI — Compact Disk Interactive
B2C — Business-to-Consumer
CL — Connectionless
STT — Secure Transaction Technology
SCM — Supply Chain Management
EMC — Electromagnetic Compatibility
ORF — Open Reading Frame (DNA Sequence)
PIM — Personal Information Manager
ANR — Automatic Network Routing
LISP — List Processing Language
GIFT — GNU Image-Finding Tool
PB — Petabyte
VRC — Vertical Redundancy Check
IGRP — Interior Gateway Routing Protocol
DNA — Deoxyribose Nucleic Acid
MUD — Multi-User Dungeon (gaming)
GTL — Gunning Transceiver Logic
MSI — Medium-Scale Integration
SMATV — Satellite Master Antenna Television
80/20 — Eighty-twenty rule
IF — Interrupt Flag
BOT — Build-operate-transfer [an Agreement Or Contract]
DLDP — Device Link Detection Protocol
CNM — Communication Network Management
RCC — Radio Common Carrier
HIGHMAT — High-performance Media Access Technology
EIGRP — Enhanced Interior Gateway Routing Protocol
VDT — Video Display Terminal
RMI — Remote Method Invocation
SDVO — Serial Digital Video Output
TRANSCEIVER — Transmitter/Receiver
DNIC — Data Network Identification Code
VC-N — Virtual Container-n
FPGA — Field-Programmable Gate Array
24/7 — Twenty-four hours a day, seven days a week
IANA — Internet Assigned Numbers Authority
BSC — Binary Synchronous Communication
PPPOE — Point-to-Point Protocol Over Ethernet
C64/128 — Commodore 64/128
DUAL — Diffusing-Update Algorithm
DE — Discard Eligibility (ATM)
CIFS — Common Internet File System
EDP — Electronic Data Processing Plc (London Stock Exchange [LSE])
CPL — Current Privilege Level
3W — World Wide Web
L2S — Layer 2 Switch
CAT — Computer Aided Testing

NAK — Not Acknowledged
RSA — Rural Service Area
SVA — Shared Virtual Area
D&I — Drop and Insert
FBD — Fully Buffered DIMM
VDD — Virtual Device Driver
WIMAX — World Interoperability for Microwave Access
BGA — Ball Grid Array [electronic Packaging]
ECP — Electronic Check Presentment
CATP — Caffeine Access Transport Protocol
PABX — private automatic branch exchange (telephone)
TI — Texas Instruments, Inc.
DDI — Device Driver Interface
CAD — Computer-Aided Design
VMS — Virtual Memory System
IHS — Integrated Heat Spreader
PVV — Pin Verification Value
UPS — Uninterruptible Power Supply
EOP — End of Procedure
CFV — Call For Vote(s)
UCS — Universal Character Set
LZW — Lempel-Ziv-Welch
PERL — Practical Extraction and Report Language
TB — Terabit
EOT — End Of Transmission
RPR — Resilient Packet Rings
EIA — Extended Interaction Amplifier
DFM — Device Fault Manager
BPPM — BMC ProactiveNet Performance Management
MOTD — Message of the Day
FMH — Function Management Header
WAE — Wireless Application Environment
LMS — Learning management system
LATA — Local Access and Transport Area
RIR — Regional Internet Registry
BPDM — Business Process Definition Metamodel
AIM — Aol Instant Messege
KW — Kilowatt (one thousand watts) (measurement)
BLOB — Binary Large Object
GAS — GNU ASsembler
DDBMS — Distributed Database Management System
RNA — Ribo Nucleic Acid
RISC — Reduced Instruction Set Computer
CORBA — Common Object Request Broker Architecture
DN — Distinguished Name
CDE — Common Desktop Environment
AML — Astronomical Markup Language
COMDEX — Computer Dealers Exposition
T — Time
P2P — Peer to Peer (as in music file sharing systems like KaZaA)

DFDSS — Data Facility Data Set Services
ARQ — Automatic Repeat-reQuest
EFS — Error Free Seconds
EMPI — Enterprise Master Patient Index
MDF — Main Distribution Frame
DRP — Disaster Recovery Plan
ORB — Object Request Broker
COIN — Community of Interest Network
KSR — Keyboard Send/Receive
OTP — Open Trading Protocol
DMD — Directory Management Domain
LVDS — Low Voltage Differential Signaling
ISOC — Internet Society
TSO — time Sharing option (of OS/360, IBM)
QDR — Quad Data Rate
JSON — JavaScript Object Notation
E- — Electron
GRS — Global Resource Serialization
PDS — Partitioned Data Set
TSM — Tivoli Storage Manager
SDSF — System Display and Search Facility
OFM — Oracle Fusion Middleware
PON — Passive Optical Network
IFCP — Internet Fibre Channel Protocol
OCX — OLE Control Extension
PII — Personally Identifiable Information
CAI — Common Air Interface
CMT — Connection Management
ESP — Encapsulated Security Payload
SHA — Secure Hash Algorithm
MSDB — main storage database
ECS — Extended Character Set
CCOW — Clinical Context Object Workgroup
DTD — Document Type Definition (XML)
MSW — Machine Status Word
SCR — Sustainable Cell Rate
CKD — Count Key Data
DUNS — Data Universal Numbering System
JPEG — Joint Photographic Experts Group (24-bit image storage format)
AJAX — Asynchronous Javascript and XML
APC — Asynchronous Procedure Call
NRZ — Non-Return-To-Zero
VF — Voice Frequency
CPNI — Customer Proprietary Network Information
ADB — Apple Desktop Bus
T2L — TRANSISTOR-TRANSISTOR LOGIC
UPNP — Universal Plug and Play
DAT — Digital Audio Tape
POD — Proof Of Deposit
DCS — Desktop Color Separation

TDMA — Time Division Multiple Access
MGC — Multimedia Gateway Controller
BLAST — Basic Local Alignment Search Tool
AAA — authentication, authorization, and accounting
90-90 — Ninety-Ninety Rule
PAP — Password Authentication Protocol (ATM)
BPEL — Business Process Execution Language
QI — Query Interface
JACK — Jack Audio Connection Kit
B — Barnabites
QAM — quadrature amplitude modulation
NMS — Network Management Station
JRE — Java Runtime Environment
BNF — Backus-Naur Form (computing)
NANOG — North American Network Operators Grou
KNI — Katmai New Instructions
MS-DOS — Microsoft Disk Operating System
ASK — Anomalous State of Knowledge
USP — Universal Storage Platform
AFIS — An Automated Fingerprint Identification System
BSA — Business Software Alliance
ONE — Open Net Environment (Sun)
UI — User Interface
YKYBHTLW — You Know You've Been Hacking Too Long When
LPA — Link Pack Area
FEC — Forward Error Correction
CIT — Computer Integrated Telephony
WAP — Wireless Application Protocol
CUT — Control Unit Terminal
MCA — Message Channel Agent
DDN — U.S. Defense Data Network
ADDMD — Administrative Directory Management Domain
ASN.1 — Abstract Syntax Notation One
ALP — Application Layer Protocol
BLOG — Better Listings on Google
CPS — characters per second
DAVID — Digital Audio/Video Interactive Decoder
VGA — Video Graphics Array
FAST — Federation Against Software Theft
SMBP — Server Message Block Protocol
IB — Interface Bus
ETN — Electronic Tandem Network
WSC — Windows Security Center
ACPI — Advanced Configuration and Power Interface
BAF — Bellcore AMA Format
PPTP — Point-to-Point Tunneling Protocol
FCT — File Control Table
VLK — Volume License Key
LACP — Link Aggregation Control Protocol
GUID — Globally Unique Identifier

MAC — Mid-Atlantic Crossing
SDK — Software Development Kit (Microsoft)
MMU — Memory Management Unit
GNOME — GNU Network Object Model Environment
OPI — Open Prepress Interface
BER — Basic Encoding Rules (ASN.1)
SDH — Synchronous Digital Hierarchy (ATM)
AFP — Apple Filing Protocol
SCP — Secure Copy Protocol
UR — Unit Record
EEPROM — Electric Erasable Programmable Read Only Memory
GDPS — Geographically Dispersed Parallel Sysplex
NEWS — network extensible window system
RMS — root mean square (preferred over "RMS")
LUN — Logical Unit Number
HLR — Home Location Register
OOPL — Object Oriented Programming Language
3D — three-dimensional (geophysics)
PL/1 — Programming Language 1
BOOTP — Bootstrap Protocol
RSVP — Resource Reservation Protocol (Internet)
SDU — Service Data Unit (ATM)
UBE — Unsolicited Bulk Email
RDF — Resource Description Framework
IAB — Internet Architecture Board
EISA — Extended Industry Standard Architecture
SFF — Small-Form-Factor
APS — Automatic Protection Switching (SONET/SDH)
KB — Kilobyte: One thousand and twenty-four bytes kbps kilo bit per second
AIP — Advanced Inspection and Prevention
LER — Label Edge Router
UART — Universal Asynchronous Receiver/Transmitter
KDC — Kerberos Key Distribution Center
EA — Extended Address Field Bit
5GL — 5th Generation Language
IIOP — Internet Inter-ORB Protocol
TCO — Total Cost of Ownership
JSP — Java Server Page
MBPS — Megabits per second
SNA — System Network Architecture
IRDS — Information Resource Dictionary System
APM — Active Policy Management
ESP — Estimated Street Price
DPG — Dedicated Packet Group)
GNU — GNU's Not UNIX (a Recursive Acronym)
RADIUS — Remote Authentication Dial-In User Service
KM — Knowledge Management
NVOD — Near Video On Demand
RNA — Ring No Answer
IOA — Input/Output Adapter

TNC — Trusted Network Connect
GMS — Global Messaging Service
PICNIC — Problem in Chair Not in Computer
SOS — Sophisticated Operating System
RNI — Raw Native Interface
CCH — Connections per Circuit Hour
OPS — Off-Premise Station
IGMP — Internet Group Management Protocol
OSDL — Open Source Development Lab
XNI — Xerces Native Interface
OFDMA — Orthogonal Frequency-Division Multiple Access
RF — Resume Flag
DHTML — Dynamic HyperText Markup Language
NAS — Network Application Support
UCR — Undercolor Removal
EOB — End Of Block
EDW — Enterprise Data Warehouse
RDT — Remote Digital Terminal
MPEG — Moving Picture Experts Group (International Standards Organisation/International Electrotechnical Commission)
CPR — Computerized Patient Record
ICF — Isochronous Convergence Function
CES — Consumer Electronics Show
OOP — Object-Oriented Programming
SDLC — Software development life cycle
LCS — Lotus Communication Server
NSS — Network Switching Subsystem
APS — Advanced Planning and Scheduling
ZTE — Zhong Xing Telecommunication Equipment
DSS — Digital Signature Standard
SCI — Scalable Coherent Interconnect
LMP — Link Manager Protocol
VAIO — Video Audio Integrated Operation
PET — Personal Electronic Transactor
DUA — Directory User Agent
RPI — Rockwell Protocol Interface
PER — Program Event Recording
LBA — Logical Block Addresses
FEP — Front-End Processor
G2C — Government to Citizen
4C ENTITY — Four Company Entity
LPX — Low Profile Extended
RSN — Real Soon Now [which may be a long time coming]
CCW — Channel Command Word
IOCS — Input/Output Control System
GGSN — Gateway GPRS Support Node
IAD — Integrated Access Device
KDE — K Desktop Environment
ADSR — Attack, Decay, Sustain, Release (sound envelope specification)
UART — Universal Asynchronous Receiver-Transmitter
DET — Directory Entry Table

TKIP — Temporal Key Integrity Protocol
PAT — Performance Acceleration Technology
ALG — Application Layer Gateway
TAE — Text Analysis Engine
DCE — Data Communication Equipment
AMT — Address Mapping Table
SEO — Search Engine Optimizer
HDMI — High-Definition Multimedia Interface
CBN — Common Bonding Network
NAT — Network Address Translation
RDI — Remote Defect Indicator (UNI Fault Management)
JMX — Java Management Extensions
CLA — Corporate License Agreement
GID — group identification number
VBR — Variable Bit Rate (ATM)
AIX — Advanced Interactive Executive (IBM)
SMDS — Switched Multimegabit Data Service (ATM)
POP3 — Post Office Protocol 3 (email)
B2E — Business-to-employee electronic
EDF — Execution Diagnostic Facility
SRL — Singing Return Loss
IMAP — Internet Message Access Protocol
VIO — Virtual Input/Output
CBDS — Connectionless Broadband Data Service
MANET — Mobile Ad Hoc Network
CGM — Computer Graphics Metafile
OASIS — Organization for the Advancement of Structured Information Standards
DISA — Data Interchange Standards Association
SMISHING — SMS phishing
PROM — Programmable Read-Only Memory
IP — Intellectual Property
PHP — Hypertext Preprocessor
VLE — Virtual Learning Environment
PIB — Pebibyte
SPD — Serial Presence Detect
WI-FI — Wireless Fidelity
VPI — Virtual Path Identifier
GIF — Graphic Interchange Format
SSID — Service set identifier (Wi-Fi)
INC — International Network of Crackers
AUIML — Abstract User Interface Markup Language
JCL — Job Control Language
BIBOP — big bag of pages
SIG — SMDS Interest Group
DAB — Digital Audio Broadcast
ACSE — Association Control Service Element
PCMCIA — Personal Computer Memory Card International Association
CLV — Constant Linear Velocity
CMTS — Cable Modem Termination System
DBCS — Double-Byte Character Set

ICANN — Internet Corporation for Assigned Names and Numbers
MIA — Media Interface Adapter
CLR — Common Language Runtime
EDGE — Enhanced Data Rates for GSM Evolution
DQDB — Distributed Queue Dual Bus
RADA — Random Access Discrete Address
FTTC — Fibre To The Curb
HDTV — High Definition Television
SMB — Server Message Block
ABAP — Advanced Business Application Programming
VDI — Virtual Desktop Infrastructure
ASP — Abstract Service Primitive
QDOS — Quick And Dirty Operating System (cue-doss)
MALWARE — malicious software
S — second (do NOT use "sec" for "second;" use "sec" for "secant")
EFT — Electronic Funds Transfer
DDCMP — Digital Data Communications Message Protocol
VCC — Virtual Channel Connection (ATM)
MSPP — Multiservice Provisioning Platform
24X7 — Twenty-four hours a day, seven days a week
VBA — Visual BASIC for Applications
B-ISDN — Broadband Integrated Services Digital Network
CAPPC — Computer Aided Production Planning and Control
CES — Character-Encoding Scheme
BNC — British Naval Connector
BPI — bits per inch
CST — Consolidated Service Test
CEVA — Content-Enabled Vertical Application
UCM — Use Case Map
WPM — speech--words per minute
MIME — Multipurpose Internet Mail Extension
ESB — Enterprise Service Bus
MERVA — Message Entry and Routing with Interfaces to Various Applications
CDC — Call Data Channel
POP — Post Office Protocol
CFMN — Client For Microsoft Networks
COPS — Communications Outsourcing and Professional Services
BOTNET — Robot Network
GPWW — Group Practice Without Walls
FAT — File Allocation Table
CBR — Constant Bit Rate
EPL — Ethernet Private Line
ANI — Automatic Number Identification (Caller ID)
FPML — Financial Products Markup Language
AWT — Abstract Window Toolkit (Java)
TFTP — Trivial File Transfer Protocol (ATM)
WAF — Web Application Firewall
IOCP — Input/Output Configuration Program
MICR — Magnetic Ink Character Recognition
AHCI — Advanced Host Controller Interface

GDB — GNU Debugger
PCI DSS — Payment Card Industry Data Security Standard
XSD — XML Schema Definition
TTL — Time To Live
ETTB — Ethernet to the Business
VAX — Virtual Address Extension
RJE — Remote Job Entry
ICSA — International Computer Security Association
CMIP — Common Management Information Protocol (ATM)
APAAS — Application Platform as a Service
SMI — Structure of Management Information
NASDAQ — National Association for Security Dealers and Automatic Quotation
SLS — Softlanding Linux System
WRT — Weighted Risk Trend
IRQ — Interrupt Request
MMORPG — Massive Multiplayer Online Role Playing Game
BHCA — Busy Hour Call Attempt
APC — Antenna Phase Center
AV — Audio/Video
DPI — Dots per inch.
LPAR — Logical Partition
CHAP — Challenge-Handshake Authentication Protocol (PPP)
PSPDN — Packet-Switched Public Data Network
BHCC — Busy Hour Call Completion
CSW — Channel Status Word
FCCH — Frequency Correction Channel
JDK — Java Development Kit
VHS — Video Home System
OSF — Open Software Foundation
GCC — GNU Compiler Collection
IGP — Interior Gateway Protocol
VORTAL — Vertical Portal
JDBC — Java Database Connectivity
RFCOMM — Radio Frequency Communication
MCBF — Mean cycles between failures
ACF — Advanced Communication Facility
SIIA — Software & Information Industry Association (formerly the Software Publishers Association)
CCTLD — country code Top Level Domain
DIR — Directory
VSAT — Very Small Aperture Terminal (satellite service)
NAS — Network-Attached Storage
LLDP — Link Layer Discovery Protocol
K — Kilobyte
OHG — Operators Harmonization Group
EPM — Enterprise Performance Management
BAS — Basic Activity Subset
0KB.IN — Free Knowledge Base of Internet
HKCC — HKEY_CURRENT_CONFIG
LAP-F — Link Access Procedure - Frame Mode
ADF — Application Development Facility

UMA — Unlicensed Mobile Access
SAD — Security Association Database
DSAP — Destination Service Access Point
CDP — Continuous Data Protection
DEMUX — Demultiplexer
BASIC — Beginners Allpurpose Symbolic Instruction Code
NOC — Network Operations Center
FRU — Field Replaceable Unit
TETRA — TErrestrial TRunked RAdio
ACF — Advanced Communications Function (IBM)
SVGA — Super Video Graphics Array
TCA — Task Control Area
SRAT — Static Resource Affinity Table
TFS — Three Finger Salute
LRC — Longitudinal Redundancy Check
HASP — Houston Automatic Spooling Program
ASPI — Advanced SCSI Programming Interface
WINS — Windows Internet Name Service
ACL — Asynchronous Connectionless Link
LSAP — Link Service Access Point
ABC — Atanasoff-Berry Computer
BNN — Boundary Network Node
AAS — Auto Area Segmentation
CRACK — Challenge/Response Authentication of Cryptographic Keys
VDI — Video Display Interface
WFQ — Weighted Fair Queuing
VCI — Virtual Channel Identifier
CT2T — Continuous Tone to Tape
COLO — Co-Location
SVC — Switched Virtual Circuit (ATM)
WINE — Wine Is Not an Emulator
ODM — Original Design Manufacturer
IOC — ISDN Ordering Code
RLE — Run-Length Encoding
AUDIT — Automated Data Input Terminal
CVS — Computer Vision Syndrome
FWA — Fixed Wireless Access
FCS — Fluorescence Correlation Spectroscopy
UAC — User Account Control
EFS — Encrypting File System
TGT — ticket-granting ticket
FMEA — Failure Mode and Effects Analysis
EFI — Extensible Firmware Interface
IDL — Interface Definition Language
ADF — automatic document feeder
CAM — Channel Access Method
XPFE — Cross Platform Front End
EFM — Enterprise fraud and misuse management
ADE — Application Development Environment
HFS — Hierarchical File System

SD — Span Destination
ISV — Independent Software Vendor
HBA — Host Bus Adapter
CTP — Capable To Promise
UML — Unified Modeling Language (Object Management Group, OMG)
SECC — Single Edge Contact Connector
ZCT — Zero Count Table
VOXML — Voice Markup Language
TR — Terminal Ready
CSCF — Call Session Control Function
BSA — Basic Service Area
IPCP — Internet Protocol Control Protocol
DSOM — Distributed System Object Model
RPO — Recovery Point Objective
RX — Receive
MRU — Most Recently Used
RMON — Remote Monitoring
JIT — Just-In-Time (inventory management)
TSR — Terminate and Stay Resident [software program]
CSMA/CA — Carrier Sense Multiple Access with Collision Avoidance
MSB — Most Significant Bit
IMS — Information Management System (LTPP)
CSPDN — Circuit Switched Public Data Network
UUCP — Unix-to-Unix Copy Program
CALEA — Communications Assistance for Law Enforcement Act
IPLC — International Private Leased Circuit
CSC — Collection of Small Companies. Alternative interpretation (apparently used by staff) of the CSC company name, which properly stands for Computer Sciences Corporation. The 'Collection of Small Companies' version reflects CSC's operatianal structure, which
DACL — Discretionary Access Control List
PEF — Preferred Executable Format
CELP — code-excited linear prediction
EDO — Extended Data Output
RUP — Rational Unified Process
NID — Network Interface Device
INTERNIC — Internet Network Information Center
IOPL — Input/Output Privilege Level
RSU — Recommended Service Upgrade
ADUC — Active Directory Users and Computers
TLD — Top Level Domains
LT — Line Termination
DTM — Document Table Model
MT-RJ — Mechanical Transfer - Registered Jack
FIX — Financial Information EXchange Protocol
POE — power over ethernetinjector
CSO — Cold Start Only
SIP — Session Initiation Protocol
GPU — Graphics Processing Unit
IPP — Internet Printing Protocol
MMX — Matrix Math Extensions (Multimedia Extensions)
VSAM — Virtual Storage Access Method
ADSL — Asymetric Digital Subscriber Line

SONET — Synchronous Optical Network
GNN — Global Network Navigator
CUA — Common User Access
HXRC — Hitachi EXtended Remote Copy
NPC — North Pacific Cable
TED — Tunnel Endpoint Discovery
PAAS — Platform-as-a-Service
UUID — Universally Unique Identifier (see Also GUID)
GTP — GPRS Tunneling Protocol
IFB — Internet Free/Busy
CODEC — Coder/decoder
AF — Assured Forwarding
CLNS — Connectionless Network Service
LUW — Logical Unit of Work
FOIP — Fax Over Internet Protocol
ECE — Economische Commissie voor Europa (United Nations) (Dutch: Economic Commission for Europe)
NMC — Network Management Center
LCR — Least Cost Routing
UPT — Universal Personal Telecommunications
JFK — Just Fast Keying
TBPS — Terabits Per Second
SSA — Social Security Administration
MIDI — Musical Instrument Digital Interface
FOIRL — Fiber-Optic InterRepeater Link
AV — Audio Visual
NAN — Not A Number (computing)
AMPS — Advanced Mobile Phone System
DMO — Distributed Management Object
FDD — Frequency Division Duplex
DCT — Digital Cordless Telephone
HDML — Handheld Device Markup Language
EIM — Enterprise Information Management
XO — Crystal Oscillator
VMI — vendor-managed inventory
PAM — Pluggable Authentication Modules
ITWAB — IT Workload Automation Broker Tools
CPA — Cost Per Action
BS 7799 — British Standard 7799
BRR — Business Readiness Rating
FTTN — Fiber-To-The-Neighborhood
BIA — Business Impact Analysis
IBG — Interblock Gap
VRML — Virtual Reality Modeling Language
APL — Ada Programming Language
GMRP — GARP Multicast Registration Protocol
MDISK — managed disk
FPS — Frames per second.
HUD — Head-Up Display
FOT — Fiber Optic Terminal
LEC — Local Exchange Carrier

L2TP — Layer 2 Tunneling Protocol
DF — Direction Flag
OCSP — Online Certificate Status Protocol
LSSGR — LATA Switching System Generic Requirements
ISAM — Indexed Sequential Access Method
SCDS — Source Control Data Set
FXP — File Exchange Protocol
SS7 — Signaling System 7
LCM — Life Cycle Management
VRS — Virtual Reference Station
SPARC — Scalable Processor Architecture Reduced Instruction Set Computer
COSS — Cross Operating System Service
XFR — Transfer Case (drafting and design)
S/N — Signal-to-Noise ratio
PDX — Printer Description eXtension
KYC — Know Your Customer
NE — Network Element
CBQ — Class-Based Queuing
DIVX — Digital Video Express
NT — New Technology, also Windows NT
NSAP — Network Service Access Point
CAMA — Centralized Automatic Message Accounting
P3P — The Platform for Privacy Preferences Project
PHI — Protected Health Information
UBGA — Micro Ball Grid Array
J2SE — Java 2 platform, Standard Edition
MES — Manufacturing Execution System
NETBEUI — NetBIOS Enhanced User Interface
LVT — Light Valve Technology
BBC — British Broadcasting Corporation
MAP — Mobile Application Part
TWAIN — Technology Without An Interesting Name
COA — Care-Of Address
BAA — Blanket Authorization Agreement
CJK — Chinese, Japanese, and Korean
CEO — Comprehensive Electronic Office
IMSI — International Mobile Subscriber Identity
CAD/CAM — Computer Aided Design/Computer Aided Manufacturing
RMA — Return Materials Authorization
XT — Extended Technology
XBMC — Xbox Media Center
9P — Plan 9 Filesystem Protocol
VRRP — Virtual Router Redundancy Protocol
COCOMO — COnstructive COst MOdel
KBPS — kilobits per second
UUNET — Unix-To-Unix Network
EMA — Enterprise Management Alliance
B-LLI — Broadband Low Layer Information
TCS — Telecommunications Systems inc
EPC — Electronic Product Code

POLP — Principle of Least Privilege
EDG — Electronic Dot Generation
DLT — Digital Linear Tape
CISSP — Certified Information Systems Security Professional
BTAM — Basic Telecommunications Access Method
XSS — Cross-Site Scripting
CID — Configuration, Installation and Distribution
EPO — ePolicy Orchestrator
DAEMON — Disk And Execution Monitor
RTC — Real Time Clock
MOSFET — Metal-Oxide-Semiconductor Field-Effect Transistor
BCI — Business Continuity Institute
MIP — Multum in Parvum
IRTF — Internet Research Task Force
DMCA — Digital Millennium Copyright Act
ODI — Open Data-link Interface
VML — Vector Markup Language
CCNA — Cisco Certified Network Associated
BOC — BELL OPERATING COMPANIES
ACSE — Application Control Service Element
1FB — Single line, Flat Business rate;
CSS — Cascade Style Sheet
CVC — Card Verification Code
SAR — Segmentation and Reassembly (ATM)
UUCP — UNIX to UNIX Copy Package
CSU — Channel Service Unit
FEXT — Far-End Cross Talk
S/W — Software
DPMI — DOS Protected Mode Interface
STM — Synchronous Transfer Mode
HIS — Healthcare Information System
SDSL — Symmetric Digital Subscriber Line
SMF — Single-Mode Fiber
BAL — Business Application Language
FECN — Forward Explicit Congestion Notification (ATM)
RBAC — Role-Based Access Control
ICQ — I Seek You (Instant Messaging Program)
E3 — Electronic Entertainment Expo
YAST — Yet Another Setup Tool
DIMM — Dual In-line Memory Module (computing)
NNTP — Network News Transport Protocol (ATM)
SDMA — Spatial Division Multiple Access
NDP — Neighbor Discovery Protocol
DLCI — data link connection identifier
ASE — Application Service Element
LMDS — Local Multipoint Distribution Service
CDFS — Compact Disc File System
RLOGIN — Remote Login in Unix
TIFF — Tag Image File Format
SAP — Serving Access Point

CNN — composite network node
PARC — Palo Alto Research Center
OMR — Optical Mark Recognition
TED — Tiered Electronic Distribution
4GT — 4 Gigabyte Memory Tuning
PUMA — Protected User Mode Audio (Microsoft)
SCTP — Screened Twisted Pair (cable)
KMS — Knowledge Management System
UT — Upper Tester
FLAG — Fiber Link Around the Globe
RACH — Random Access Channel
OLPC — One Laptop Per Child
CLOB — Character Large Object
VCR — video cassette recorder/player
ESN — Electronic Serial Number
SSAP — Source Service Access Point
LAMP — Linux, Apache, MySQL and PHP
IAM — Identity and Access Management
BST — Binary Search Tree
LPPL — LaTeX Project Public License
EPS — Encapsulated Postscript
BELLCORE — Bell Communications Research, Inc.
USP — Usage Sensitive Pricing
CCI — Controlled Cryptographic Item
CAR — committed access rate
SMP — Simple Management Protocol
ACEE — Access Control Environment Element
DIMM — Dual Inline Memory Module
FER — Frame Error Rate
MILNET — Military Network
PIM — Protocol Independent Multicast
GNSO — Generic Names Supporting Organization
BPP — Business Process Platform
BRAN — Broadband Radio Access Network
SIM — Service Information Message
BRZ — Bipolar Return-to-Zero
OFB — Output Feedback
HAL — Hardware Abstraction Layer
EA — Electronic Arts Inc (NASDAQ Stock Exchange [NASDAQ])
JS — JavaScript
BCPL — Basic Combined Programming Language (progenitor Of C)
CRUD — Create, Read, Update, Delete
LDP — Label Distribution Protocol
EUP — Enterprise Unified Process
PNRP — Peer Name Resolution Protocol
HSSI — High Speed Serial Interface (IBM)
XMT — Transmit
PS/2 — Personal System/2 (Microsoft)
HRAA — High Resolution Anti Aliasing
MD5 — Message Digest 5

TSRM — Tivoli Service Request Manager
DUW — Distributed Unit of Work
HCM — Human Capital Management
DFWMAC — Distributed Foundation Wireless Media Access Control
PSN — packet switch node
PEM — Privacy-Enhanced Mail
URN — Uniform Resource Namespace
SRM — Storage Resource Management
MMOG — Massively Multiplayer Online Game
FTTB — Fiber To The Building
CP/M — Control Program/Monitor
ZRTP — Real-Time Transport Protocol
EAL — Evaluation Assurance Level
TEI — Total Economic Impact
C — C Plus Plus
OLED — Organic Light-Emitting Diode
GBPS — Gigabits per second
DSR — Data Set Ready
MEMS — micro-electromechanical system
PCR — Peak Cell Rate
ID — IDentifier
UUCP — Unix To Unix Copy Program
BS — British Standard
ASYNC — Asynchronous
USF — Universal Service Fund
REST — Representational State Transfer
NSLOOKUP — Name Server Lookup
XBRL — Extensible Business Reporting Language
2G — Second Generation Wireless Systems
LSR — Line Service Request
DEMARC — Demarcation point
MFT — Master File Table
ATPCO — Airline Tariff Publishing Company
RSCT — Reliable Scalable Cluster Technology
IPTV — Internet Protocol Television
VESA — Video Electronics Standards Association
ZIF — Zero Insertion Force (The device on a)
ROP — Raster Operation(s)
GFC — Generic Flow Control (ATM)
PMI — Privilege Management Infrastructure
CLM — Contract Lifecycle Management
ATAG — Authoring Tool Accessibility Guidelines
SDDL — Security Descriptor Definition Language
QTAM — Queued Teleprocessing Access Method
SDP — Session Description Protocol
ESS — Employee Self-Service System
DISA — U.S. Defense Information Systems Agency
XGA — eXtended Graphics Array
CAC — Connection Admission Control (Asynchronous Transfer Mode)
SPIT — Spam Over Internet Telephony

XFN — XHTML Friends Network (see http://gmpg.org/xfn/)
SERP — Search Engine Results Positioning
PL — PAD Length
BDF — Building Distribution Frame
DAC — Digital-To-Analog Converter
PIX — Private Internet Exchange
DNSSEC — Domain Name System Security Extensions
DIGERATI — digital version of literati (Italian)
B2B — Business-to-Business
PAD — Packet Assembly Disassembly
NTSC — National Television System Committee video standard
ISO — International Standards Organization
RAI — remote alarm indication
VTAM — Virtual Telecommunication Access Method
NCP — Network Control Program
EXIF — Exchangeable Image File
CAL — Client Access License
ESS — Extended service set (Wi-Fi group)
ECM — Enterprise Content Management
XMS — Extended Memory Specification
JAD — Joint Application Development
ZCS — Zero Code Suppression
RAID — Redundant Array of Independent Disks
SPE — Synchronous Payload Envelope
CPI — characters per inch
BCP — Business Continuity Plan
RELAX — REgular LAnguage description for XML
NICE — Narrative, Immersive, Collaborative Environment
MEO — Medium-Earth Orbit
APNIC — Asia Pacific Network Information Center
TC — Transmission Convergence sub-layer of PHY layer)
ZMA — Zone Multicast Address
REPDV — Reputation Digital Vaccine
CDP — Cisco Discovery Protocol
B8ZS — Binary Eight Zero Substitution
HCS — Header Check Sequence
CG — Computer Graphics
CEH — Certified Ethical Hacker
SDRAM — Synchronous dynamic random access memory
ETX — End of Text
FLAC — Free Lossless Audio Codec
VCPI — Virtual Control Program Interface
DUV — Data-Under-Voice
ROA — Recognized Operating Agency
LSI — Large Scale Integration -> VLSI
AOCE — Apple Open Collaboration Environment
MMO — Massively Multiplayer Online (computer Game)
PWM — Pulse width modulation
EPP — Enhanced Parallel Port (PC)
UDMA — Ultra Direct Memory Access

FM — frequency modulation
ICRA — Internet Content Rating Association
PFM — Printer Font Metric
GDTR — Global Descriptor Table Register
AUI — Attachment Unit Interface
WRC — World Radiocommunication Conference
OLIC — online image copy
BSNL — Bharat Sanchar Nigam Limited
HAVI — Home Audio Video Interoperability
OBI — Open Buying on the Internet
ISATAP — Intra-Site Automatic Tunnel Addressing Protocol
IBT — Internet-Based Training
CEMF — Cisco Element Management Framework
IPC — Interprocess Communication
MCP — Microsoft Certified Professional
CCPM — Critical Chain Project Management
AMR — Automated meter reading also known as Automatic Meter Reading
COAX — Coaxial Cable
ESPN — Entertainment and Sports Programming Network
DMI — Desktop Management Interface (computing)
ACSLS — Automated Cartridge System Library Software
PHY — Physical Layer
CMYK — Cyan, Magenta, Yellow, Black
OSA — Open System Architecture
LIDE — Light emitting diode In-Direct Exposure
REG — range extender with gain
IDEA — International Data Encryption Algorithm
HPFS — High Performance File System
ORM — Operational Risk Management
AMA — automatic message accounting
UMID — Unique Material Identifier
SCCS — Source Code Control System
K-MAP — knowledge map
ACB — Access method Control Block
6DOF — Six Degrees of Freedom
OAT — Outside Air Temperature
CTX — Commited to Excellence
GIOP — General Inter-ORB Protocol
SSE — Streaming SIMD Extensions
JBL — Jame B. Lansing
CAM — Capital Asset Management
HDD — Hard Disk Drive
AS2 — Applicability Statement 2
TCP/IP — Transmission Control/Internet Protocol
YIB — Yobibyte
ITIL — Information Technology Infrastructure Library
TAXI — Transparent Asynchronous Transmitter/Receiver Interface
FCB — Format Control Buffer
SDN — Software Defined Network
RLC — Radio Link Control

4GL — Fourth-Generation Language
PPT — Processing Program Table
JTAG — Joint Test Action Group
DDK — Driver Development Kit
CIE — Color Model = Commission Internationale De L'Eclairage Color Model
B8ZS — Binary Eight Zero Suppression.
JCAHO — Joint Commission on Accreditation of Healthcare Organizations
MPOA — MultiprotocolOver ATM
EIR — Excess Information Rate
PMM — Post Memory Manager
RTP — Routing Update Protocol
ATA — Analog Telephone Adaptor
KSU — Key Service Unit
FCPGA — Flip Chip Pin Grid Array
ODMR — On-Demand Mail Relay
ERL — Echo Return Loss
EOSDH — Ethernet Over SDH
SANS — System Administration, Networking, and Security Institute
SLR — Service Level Reporter
OMT — Object-modeling technique
CCSE — Checkpoint Certified Security Expert
SPF — Shortest Path First
PLC — Product Life Cycle
PCS — Personal Communications Services
OCP — Oracle Certified Professional
TVO — Total Value of Opportunity
LMPP — Lighttpd/MySQL/PHP/Python
SSO — Single Sign-On Once
DTAM — Document Transfer, Access and Manipulation
FIOS — Fiber Optic Services
JES — Job Entry Subsystem
TACACS — Terminal Access Controller Access Control System
EPN — Extended Port Network
WPA — Wi-Fi Protected Access
SET — Secure Electronic Transaction
LPD — Line Printer Daemon
ALM — Asset Lifecycle Management
DMT — Discrete Multi-tone Transmission
QTSS — QuickTime Streaming Server
ATRAC — Adaptive Transform Acoustic Coding
QUAGI — quad and Yagi
FPU — Floating Point Unit
NLM — NetWare Loadable Module
CDV — Cell Delay Variation(ATM)
GVN — Global Value Numbering
MAA — Mail Access Agent
RDDL — Resource Directory Description Language (riddle)
USO — Universal Service Obligation
RHCE — Red Hat Certified Engineer
VOX — Voice Operated EXchange

TRM — Teradata Relationship Manager
UTM — Universal Transverse Mercator (geographical Co-ordinate System)
CFMD — Certified for Microsoft Dynamics
TELCO — Telephone Company
MVS — Multiple Virtual System
ILO — Integrated Lights-Out (Technology)
EBML — Extensible Binary Meta Language
MMC — Microsoft Management Console (Microsoft)
PLCP — Physical Layer Convergence Protocol (ATM)
SGI — Silicon Graphics Incorporated
FERPA — Family Education and Right to Privacy Act
ALI — Application Layer Interface
FTL — Flash Translation Layer
CIB — Computer Integrated Business
HID — Human Interface Device
RHEL — Red Hat Enterprise Linux
MNS — Master of Network Science
XHR — XMLHttpRequest
ICDL — International Computer Driving Licence
OTA — Over The Air
PTR RECORD — Pointer record
UCB — Unit Control Block
SPSS — Statistical Package for the Social Sciences
WINFS — Windows Future Storage
PAL — Processor Abstraction Layer
OMR — Optical Mark Reader
HP — Hewlett-Packard Development Company
SDS — Sudden Death Syndrome
USHER — United States Higher Education Root Certificate Authority
ACA — Australian Communications Authority's
MSI — Microsoft Software Installer
VC — Virtual Circuit (ATM)
E2E — End-to-End
HRMS — Human Resource Management System
ADDM — Application Discovery and Dependency Mapping
MPP — Massively Parallel Processing/Processor
DISSOS — Distributed Office Support System
IXC — interexchange carrier
CAN — Controller–area network
MSI — Micro-Star International
UMB — Ultra Mobile Broadband
IMPL — Initial Microprogram Load
MRTG — Multi Router Traffic Grapher
FUD — Fear, uncertainty and doubt
1080P — 1080 progressive
PAC — Proxy Auto-Configuration
DICOM — Digital Imaging and Communications in Medicine
B-TA — Broadband Terminal Adapter
UMB — Upper Memory Block
NCP — NetWare Core Protocol

EPOC — Electronic Piece of Cheese
RDN — Relative Distinguished Name
S/PDIF — Sony/Philips Digital Interface
ROHS — Restriction of Hazardous Substances
MOBO — Motherboard
DXI — Data Exchange Interface
LCN — Local Communication Network
RNR — Receive Not Ready
APOT — Additional Point of Termination
BPM — business process management
NACHA — National Automated Clearing House Association
APPC — Advanced Program-to-Program Communication
WWN — World Wide Name
SIPP — Stable Image Platform Program
DLP — Digital Light Processing
CHAT — Conversational Hypertext Access Technology
BASH — Bourne-again shell
EULA — End-User License Agreement (you-lah)
CDDI — Copper Distributed Data Interface
LBAC — Label-Based Access Control
CUOD — Capacity Upgrade on Demand
PSK — Phase Shift Key
CICS — Customer Information Control System (IBM Mainframe Software; Kicks Or C-I-C-S)
WDS — Wireless Distribution System
IMAC — installations, moves, adds and changes
A2A — application-to-application
3DES — Triple DES
EMS — Enhanced Messaging Service
PCRE — Perl-compatible regular expressions
MOPS — Mega Operations Per Second
OFX — Open Finance Exchange
APP — Application Program
PT — Payload Type (ATM)
GGP — Gateway-Gateway Protocol
CHTML — Compact Hypertext Markup Language
CAAS — Communications-as-a-Service
CAM — Computer-Aided Manufacturing
CER — Corporate Error Reporting
DMT — Digital-Discrete Multi-Tone
MPL — Multi-Schedule Private Line
KUIP — Kernel User Interface Package
IS-IS — Intermediate-System-to-Intermediate-System
ISA — Internet Security and Acceleration Server
MTA — Message Transfer Agents (Internet)
XMP — Extensible Metadata Platform
2B1Q — Two Binary One Quaternary
SCO — Santa Cruz Operation, Inc.
OOO — Openoffice.org
IGES — Initial Graphics Exchange Specification, a data interchange standard for CAD/CAM systems
NJE — Network Job Entry

HADA — High Availability Disk Array
3I — Investors In Industry (venture Capitalists)
AOF — Advanced Open File
STM — Scanning Tunneling Microscopy
FTAM — File Transfer Access and Management
SIS — Student Information System
B-TE — Broadband Terminal Equipment
24P — 24 frames per second Progressive
ITAM — IT asset management
BIN — Binary
CNE — Certified Network Engineer
GAIA — GUI Application Interoperability Architecture
100VG — 100 Voice Grade
ETSI — European Telecommunication Standards Institute's
CLI — Calling Line Identification
ANON FTP — Anonymous FTP
WIBRO — Wireless Broadband
2PC — two-phase commit
SAPI — Service Access Point Identifier
VDECK — Video Deck
HID — high intensity discharge (electricity)
FRAD — Frame Relay Access Device
SIMM — Single In-line Memory Module
ARD — Automatic Ring Down
ACL — Application Connectivity Link
SASL — Simple Authentication and Security Layer
D2D — Disk-To-Disk
PPS — Packets Per Second
LME — Layer Management Entity
DNS — Domain Name Server
BIST — built-in self test
TDR — Time-Domain Reflectometry
JITT — Network for Just-In-Time Training in quality
XMCL — eXtensible Media Commerce Language (digital rights management cross-product metadata system)
PID — Process Identification Document
P2MP — Point-To-Multipoint
CHPID — Channel Path Identifier
FEFO — First Ended, First Out
KSH — Korn Shell Programming
UTM — Unified Threat Management
NDIS — Network Driver Interface Specification (Microsoft Windows NT)
JFS — IBM Journaling File System
NDMP — Network Data Management Protocol
ASC — Abstract Syntax Checker
JCP — Java Community Process
CBWFQ — Class-Based Weighted Fair Queueing
RP-SMA — Reverse Polarity SubMiniature version A
BMT — Biel Mean Time
SD — Sales and Distribution
DQM — Data Quality Manager

C4S — Command, Control, Communications, and Computer Systems
HFC — Hybrid Fiber Coaxial
MAPI — Messaging Application Program Interface
ATX — Advanced Technology Extended [Intel]
PING — Packet Inter-Network Groper
BRF — Benchmark Report Format
LSR — Local Shared Resource
INFOSEC — Information Security
MSDU — MAC Service Data Unit
MSC — Mobile Switching Center
SUT — System Under Test
NAVSTAR — Navigation Satellite Timing & Ranging
WDOG — Watchdog protocol
VLIW — Very Long Instruction Word
KMS — Key Management Server
COD — Connection Oriented Data
QTM — Quadratic Texture Mapping
PUP — Potentially Unwanted Program
AIOD — Automatic Identified Outward Dialing
IPPP — Internet presence provider and promoter
ISUP — ISDN User Part
APOP — Authenticated Post Office Protocol
EASDAQ — European Association of Securities Dealers Automated Quotation
CLIPS — C Language Integrated Production System
ARAD — Architected Rapid Application Development
WOSA — Windows Open Service Architecture
BPL — Broadband over power line
KTS — Key Telephone System
FSK — Frequency Shift Keying
NUI — Natural User Interface
EMOTICON — Emotion Icon
MTP — Message Transfer Part
CCR — Continuity of Care Record
HTTP — Hypertext Transport Protocol
WQUXGA — Wide Quad Ultra Extended Graphics Array
ZINK — Zero Ink
FSAA — Full Screen Anti-Aliasing
DR — Disaster Recovery
SAS — Single Attachment Station
TUCOWS — The Ultimate Collection of Winsock Software
USRT — Universal Synchronous Receiver/Transmitter
POG.COM — Play Online Games
MUD — Multi-User Dimension
CERN — Conseil Europeen Pour La Recherche Nucleaire
CAPI — Computer Assisted Personal Interview
EH&S — Environmental Health and Safety
CPAN — Comprehensive PERL Archive Network
MOSPF — Multicast Open Shortest Path First
WEBCAM — World Wide Web Camera
JOA — Joint Opportunity Assessment

DITTO — Data Interfile Transfer, Testing and Operations
ISACA — Information Systems Audit and Control Association
VHM — Voice Health Monitor
PKCS — Public-Key Cryptography Standards
DFC — Distributed Coordination Function
ASCL — Asianet Satellite Communications Limited
LPT — Line Print Terminal
RFT — Request for Technology
NSLU2 — Network Storage Link for USB 2.0
UTSL — Use The Source, Luke
EJB — Enterprise JavaBeans
EZ — Excessive Zeros
MSDN — Microsoft Developer Network
ADI — Application Desktop Integrator
GBIC — GigaBit Interface Converter
SATA — Serial Ata
RAMDAC — Random Access Memory Digital-to-Analog Converter
LRN — Location Routing Number
FLOPS — FLoating-Point Operations Per Second
AFI — Authority and Format Identifier
BUS — Broadcast and Unknown Server
1080I — 1080 interlaced
SDR — Software-Defined Radio
RIMM — RAMBUS In-Line Memory Module
SBAS — Satellite-Based Augmentation System
ABLE — Agent Building and Learning Environment
CMDB — Configuration Management Database
RSA — Remote Supervisor Adapter
DAM — Direct Access Method
UBR — Unspecified Bit Rate
EDRESS — e-mail address
WGA — Windows Genuine Advantage
ICM — Incentive Compensation Management
ABM — activity-based management
EPOW — Emergency Power Off Warning
BASEL II — Basel Capital Accord
UNC — Universal Naming Convention
MPIF — Multi-Processor Interconnect Facility
CDO — Care Delivery Organization
DMT — Discrete Multi-Tone
AVD — Alternate Voice Data
DS — Differentiated Service
MO — Magneto-optic
HSCSD — High-Speed Circuit-Switched Data
WZC — Wireless Zero Configuration
DDI — DNS, DHCP & IP address
RMU — Rack Mount Unit
KVM — K Virtual Machine
NAC — network adapter card
NUMA — Nonuniform Memory Access

EPU — Energy Processing Unit
SORBS — Spam and Open Relay Blocking System
FH — Frame Handler
BIW — Business Information Warehouse, SAP
RCA — Remote Control Amplifier
ASP — Average Selling Price
CUPS — Common Unix Printing System
ACDI — Asynchronous Communications Device Interface
ASBR — Autonomous System Boundary Router
EPIC — Explicitly Parallel Instruction Computing
ODD — Optical Disk Drive
RTE — Real-Time Enterprise
IPSEC — IP Security
L2F — Layer 2 Forwarding (Cisco)
ADT — Admission, Discharge and Transfer Information
LCOS — Liquid Crystal on Silicone
VAD — Voice Activity Detection
FEBE — Far End Block Error (SONET)
CFM — Code Fragment Manager
3GL — third-generation language
ATCA — Advanced Telecom Computing Architecture
ITCS — Intermodal Transport Control System
GAMS — General Algebraic Modeling System
RIP — Raster Image Processor
HDCP — High-bandwidth Digital Content Protection
ADPCM — Adaptive Differential Pulse Code Modulation
4G — 4th Generation
ZBR — Zero Bug Release
LORAN — Long-Range Radio Navigation
XRST — extended restart
QMS — Quality Micro Systems
CCSA — Common Control Switching Arrangement
BGI — Binary Gateway Interface
VAN — Value-Added Network
COAM — Customer Owned And Maintained
JAAS — Java Authentication and Authorization Service
XRML — Extensible Rights Markup Language
WBMP — Wireless Bitmap
DKMS — Dynamic Kernel Module Support
DPMS — Display Power Management Signaling
CVC2 — Card Validation Code 2
KL — Key Length
STM — Synchronous Transport Module
APPN — Advanced Peer-to-Peer Network
EIST — Enhanced Intel SpeedStep Technology
CCR — Current Cell Rate (ATMF)
PPM — pages per minute (a laser printer production rate metric)
DMT — Discrete Multi-Tone Technology
AMANDA — Advanced Maryland Automatic Network Disk Archiver
PBM — Pharmacy Benefits Management (or Manager)

DCC — Data Country Code
CTCP — Client-To-Client-Protocol
AIA — Application Integration Architecture
IIS — Internet Information Server
VLAN — Virtual Lan Area Network
LPB — Low Ping Bastard (gaming)
WBEM — Web-Based Enterprise Management
DLE — Data Link Escape
ESDI — Enhanced Small-Device Interface
RSBAC — Rule Set Based Access Control
ARCNET — Attached Resource Computer Network
3DS — 3D Studio
OPENCL — Open Computing Language
CSECT — Control Section
GUTBN — Globally Unique Time Based Number
ATSC — Advanced Television Systems Committee
LCGN — Logical Channel Group Number
BTAG — Beginning Tag
WRED — Weighted Random Early Detection
NEXT — Near-end Crosstalk
VCM — Virtual Channel Memory
AS/400 — Application System/400
CLEC — Competitive Local Exchange Carrier
PAL — Publication Access List
100BASET — 100 Mbps, baseband, unshielded twisted-pair
FGA/B/C/D — feature group A/B/C/D
UMA — Upper Memory Area
EAT — End-Around Test
PDQ — Product Data Quality
CEC — Commission of European Communities (see EC, EEC)
RSA — Rivest, Shamir, & Adleman
ECTF — Enterprise Computer Telephony Forum
PID — Proportional, Integral, Derivative
BONDING — Bandwidth On Demand Interoperability Group
BPOS — Business Productivity Online Standard Suite
ODF — OpenDocument Format
AVI — Audio/Video Interleaved Format
SOD — Service on Demand
NC — Network Computer (PC Internet)
DDS — Dataphone Digital Service (AT&T)
ADTG — Advanced Data Table Gram
SODIMM — Small Outline Dual Inline Memory Module
BBCS — buffer-to-buffer credits
ISL — Inter-Switch Link
IHV — Independent Hardware Vendor
GRC.SQ — Governance, Risk Management, Compliance, Security, and Data Quality
HIDS — Host-based Intrusion Detection System
CIC — Customer Interaction Center
MAU — Medium Attachment Unit
PCMCIA — People Can't Memorize Computer Industry Acronyms

EPR — Electronic Patient Record
BCOCA — Bar Code Object Content Architecture
DRP — Distribution and Replication Protocol
HSF — High Sierra Format
ADSI — Active Directory Services Interface
ADS — Active Directory Service
CST — Computer Supported Telephony
QPSK — Quadrature Phase-Shift Keying
CODASYL — COnference on DAta SYstems Languages
CMC — computer-mediated communication
GLUT — OpenGL Utility Toolkit
DEL — Delete
FEAL — Fast Data Encipherment Algorithm
AOL — America Online, Inc.
MSNP — Microsoft Notification Protocol
NLQ — Near Letter Quality
SQR — Security to Quality Defect Ratio
DEK — Data Encryption Key
LIS — Laboratory Information System
MDA — Model-Driven Architecture
DDT — Disk-to-Disk-to-Tape
NANP — North American Numbering Plan
CNAM — Caller ID with Name
DARPA — Defense Advanced Research Program Agency
PINE — Program for Internet News and E-mail
DME — Distributed Management Environment (OSF)
CASE — Computer-Aided Software Engineering
VOM — Volt-ohm-milliammeter
LZ — Lempel-Ziv
EDA — Event-Driven Architecture
SBL — Spamhaus Block List
DAS — Distributed Antenna System
BIOD — Block Input/Output Daemon
UPC — Universal Product Code
ERMS — electronic records management systems
BABT — British Approvals Board for Telecommunications
ACH — Automated Clearinghouse
PWB — printed wire board
FSB — Frontside Bus
PLPA — Pageable Link Pack Area
CD-ROM — compact disc-read only memory
LSM — Linux Software Map
4B5B — 4 Byte 5 Byte
CMIS — Common Management Information Service
OWASP — Open Web Application Security Project
VMDQ — Virtual Machine Device Queues
XPATH — XML Path Language
RR_TOV — resource recovery timeout value
APO — Advanced Planner Optimizer
WDDM — Windows Display Driver Model

RBOC — Regional Bell Operating Company (Baby Bell)
FORTRAN — FORmula TRANslator
SAML — Security Assertion Markup Language
DIF — Directory Interoperability Forum
CDPD — Cellular Digital Packet Data
AL PA — Arbitrated Loop Physical Address
MOREQ — Model Requirements for the Management of Electronic Records
CIK — crypto-ignition key
IOTP — Internet Open Trading Protocol
IPR — Intellectual Property Right
CCI — Carrier-to-Carrier Interface
MSS — Mobile Satellite Service
GOSIP — Government Open System Interconnection Profile
LOB — Line-of-Business
10BASET — 10 Mbps, baseband, unshielded twisted-pair
AFL — Academic Free License
FEMA — Failure mode and effects analysis
ITRC — Information Technology Requirements Council
D2D2T — disk-to-disk-to-tape
AMIS — Audio Messaging Interchange Specification
LINAC — Linear Accelerator
PMI — Portable Management Interface
BIDI — Bi-Directional
DIFS — Distributed coordination function InterFrame Space
SAP — Service Advertising Protocol
DFI — DFI Inc. (Design for Innovation)
UUT — Unit Under Test
TCTTE — Terminal Control Table Terminal Entry
DUPS — Digital Unbundled Port Services
TCAP — Transaction Capabilities Application Part
IDQ — Informatica Data Quality
D/A — Digital/Analog
10GFC — 10 Gigabit Fibre Channel
CCHIT — Certification Commission for Health Information Technology
OVP — Online Video Platform
APDU — application-layer protocol data unit
DSU — Digital Service Unit
IOS — International Operator Services
DSL — Domain-Specific Language
NTCIP — National Transportation Communications for Intelligent Transportation System Protocol
ACT — Application Control Table
ETB — End of Transmission Block
GDI — Graphics Device Interface
E� — Electronic Entertainment Exposition
SAT NAV — Satellite navigation
SPE — Synergistic Processor Element
ATL — Active Template Library
DOV — Data-Over-Voice
ETC — Enhanced Throughput Cellular protocol
SPM — Statistical Packet Multiplexing

IRMC — Integrated Remote Management Controller
IDOM — Integrated Document and Output Management
OEP — Outlook Exchange Protocol
CLUSRCVR — cluster-receiver channel
ATTIS — AT&T Information Systems
GERAN — GSM(GPRS)/EDGE Radio Access Network
FCIP — Fibre Channel over Internet Protocol
CVV2 — Card Verification Value 2
HIDAM — Hierarchical Indexed Direct Access Method
CSLIP — Compressed SLIP
SOS — Secure Object Store
OOSE — Object Oriented Software Engineering
M2M — Manufacturer-to-Manufacturer
VLR — Visitor Location Register
GLONASS — Global Navigational Satellite System
OOPS — Object Oriented Programming System
CMRR — common-mode rejection ratio
ICPP — Intel Channel Partner Program
SAX — Simple API for XML
DNA — Digital Network Architecture
BCUG — Bilateral Closed User Group
MBS — Maximum Burst Size (ATM)
AGS — Advanced Graphics System
XFDL — Extensible Forms Description Language
NAP — Network Access Protection
CCNSO — Country Code Names Supporting Organization
OC — Overclock (Over Clock)
IPSE — Integrated Project Support Environment
EAX — Environmental Audio Experience
FOSS — Free and Open Source Software
DS3 — Digital Signal Level 3
BOOT — BOOTstrap
VT — Virtual Tributary (ATM)
CSD — Cisco Secure Desktop
OCTAVE — Operationally Critical Threat, Asset and Vulnerability Evaluation
HE-AAC — High-Efficiency Advanced Audio Coding
GXS — Global Exchange Services
VADP — vStorage APIs for Data Protection
PPRC — Peer-To-Peer Remote Copy
UC — Unified Communications
10BASE5 — 10 Mbps, baseband, 500 meter
LVM — Low Voltage Differential Signaling
OTS — Off-the-Shelf/Over-the-Shoulder
C/R — Command/Response Indicator or bit
RTT — round-trip time
QBL — Query By Example
ASO — Address Supporting Organization
UNICODE — UNIversal CODE
ATB — All Trunks Busy
5ESS — class five (5) electronic switching system

GKS — Graphical Kernel System
BCV — Business Continuous Volume
SYSVOL — System Volume
BMRT — Blue Moon Rendering Tools
CEA — Consumer Electronics Association
NO/NC — Normally Open/Normally Closed
3GIO — 3rd Generation Input Output
HGFS — Host-Guest File System
HSI — Hue-Saturation-Intensity
OSD — Open Software Description
XMI — XML Metadata Interchange
HAE — Height Above Ellipsoid
MFM — Modified Frequency Modulation
CGM — Consumer-Generated Media
CC — Closed Captioning
BHMC — Busy Hour Minutes of Capacity
SWIFT — Society for Worldwide Interbank Financial Telecommunication International Fund Transfer
OGSA — Open Grid Services Architecture
J2EE — Java 2 Platform, Enterprise Edition
LQA — Link Quality Analysis
ZBTSI — Zero Byte Time Slot Interchange
DDN — Digital Data Network
GIS — Generalized Information System
PDE — Possible Duplicate Emission
BPON — Broadband Passive Optical Network (SBC)
BMIC — Bus Master Interface Controller
USENET — USEr NETwork
APWG — Anti-Phishing Working Group
CLLM — Consolidated Link Layer Management
AVVID — Architecture for Voice, Video and Integrated Data
JMS — Java Messaging Services
FARE — Film Automatic Retouching and Enhancement
SAA — Systems Application Architecture
WSFC — Windows Server Failover Clustering
FOTS — Fiber-Optic Transmission System
RFI — remote failure indication
DRE — Document Rendering Engine
DSBM — Designated Subnet Bandwidth Manager
BGAN — Broadband Global Area Network
CPLD — Complex Programmable Logic Device
ARPANET — Advance Research Projects Agency Network
HLL — High Level Language
TTR — Transactional Track Record
EPS — Events per Second
SALT — Speech Application Language Tag
XVT — eXtensible Virtual Toolkit
URPF — Unicast Reverse Path Forwarding
ITLD — International Top-Level Domain
PSRAM — Pseudo SRAM
EDC — Enterprise Database Connectivity

CDROM — Compact Disk ROM
GFID — General Format Identifier
LDMF — Librarian Disc Master File
DPMA — Dynamic Power Management Architecture
SUB — Substitute
EPR — Endpoint Reference
CLR — Cell Loss Ratio
SOH — Start Of Header
3P — Predictive, Proactive, and Preventive Philosophy
LEAP — Lightweight Extensible Authentication Protocol
PLC — Powerline Communication
OS/2 — Operating System/2
ANS — Advanced Network Services
ALT — Contralto
ICI — Interexchange Carrier Interface
SBM — Subnet Bandwidth Manager
LDCM — LANDesk Client Manager
OTM — Oracle Transportation Management
BCEL — Byte Code Engineering Library
CPU — Call Pick Up
DB9 — D sub-miniature 9
EGRP — Exterior Gateway Routing Protocol
STS — Security Token Service
KGD — Known Good Die
OPX — Off-Premise Extension
DAM — Digital Asset Management
QCIF — Quater Common Intermediate Format
CALS — Computer Aided Acquisition and Logistic Support
VP — Virtual Path (ATM)
LSAS — Local Security Authentication Server
DLCI — Data Linc Connection Identifier
CCS — Common Channel Signaling
CNR — combat-net radio
LTPA — Lightweight Third Party Authentication
PCL — Printer Control Language
BDC — Backup Domain Controller
DIX — Digital Intel Xerox
CDR — call detail recording
GIX — Global Internet Exchange
TSIG — Transaction Signature
BPC — Business Planning and Consolidation
EIS — Enterprise Information System
ARS — Automatic Route Selection
CHIPS — Clearing House Interbank Payments System
DSL — Dual Stress Liner
ENQ — Enquiry
GXA — Global XML Web Services Architecture
LDS — Linear Data Set
KVM — SwitchKeyboard, Video, And Mouse Switch
BDAM — Basic Direct Access Method

CTI — computer-telephony integration
SDLT — Super Digital Linear Tape
LTRAN — local transaction
FOND — Font family descriptor
MAE — Metropolitan Area Exchange (Ethernet)
MIC — Media Interface Connector (FDDI)
COES — Centers of Excellence in Women's Health
SNIPS — System & Network Integrated Polling Software
NHRP — Next Hop Resolution Protocol (ATM)
LIC — Line Interface Computer
UNI — User-to-Network Interface (ATM)
OBDR — One Button Disaster Recovery
LODA — Lombardi On-Demand Assistance
DARPA — Defense Advanced Research Project Agency
ESCON — Enterprise Systems Connection
TEC — Thermoelectric Cooler
OLTP — On-Line Transaction Processing
COFF — Common Object File Format
ETL — Extract, Transform and Load
PCN — Personal Communications Networks (European PCS)
SS — Switching System
MOF — Microsoft Operations Framework
PMO — Project Management Office
ATU-C — ADSL Transmission Unit, Central
ROR — Ruby on Rails
IOCA — Image Object Content Architecture
BCP — Bulk Copy Program
GDSN — Global Data Synchronization Network
ABME — Asynchronous Balanced Mode Extended
RBL — Real-Time Block List
SWAT — Solutions with Advanced Technologies
ITES — Information Technology Enabled Services
HERF — High Energy Radio Frequency
DXF — Drawing Interchange Format
IRU — Indefeasible Right Of Use
LASINT — Laser Intelligence
APPI — Advanced Peer-to-Peer Internetwork
ECSA — Exchange Carriers Standards Association
CMS — Conversational Monitor System
STM-N — Synchronous Transport Module level n)
ACE — Asynchronous Communications Element
DUL — Dial-Up List
2PKDP — Two-Party Key Distribution Protocol
NETAPP — Network Appliance Inc.
DLPI — Data Link Provider Interface
CNMA — Communication Network for Manufacturing Applications
LIOCS — Logical Input/Output Control System
DOMF — Distributed Object Management Facility
ZDO — Zigbee Device Object
MGA — Monochrome Graphic Adapter

ENQ — Enquiry Control Character
ZLE — Zero-Latency Enterprise
SIFS — Short InterFrame Space
DFL — Design for Logistics
USRT — Universal Synchronous Receiver-Transmitter
EAX — Environmental Audio Expansion
AC97 — Audio CODEC 97
RTSC — Read The Source Code
APOT — Alternate Point of Termination
SNA — Social Network Analysis
BITS — Background Intelligent Transfer Service
UMTS — Universal Mobile Telecommunication System
DVCD — Double Video CD
UTF-8 — Unicode Transformation Format 8
NAM — Number Assignment Module
HCI — Human-Computer Interaction
DMAA — Discrete Mathematics, Algorithms and Applications
CAPA — CA Productivity Accelerator
KEYGEN — Key Generator
1G — First Generation
DU — Data Unit
FXP — Foreign Exchange Protocol
PNFS — Parallel Network File System
SMDR — station message detail recording
ADMD — Administration Management Domain
FDS — Fraud Detection System
ACU — Automatic Calling Unit
IP PBX — Internet Protocol private branch exchange
BCB — Buffer Control Block
PAM — Pulse Amplifier Modulation
GOW — God of War (Game)
GLBA — Gramm-Leach-Bliley Act of 1999
IGF — Internet Governance Forum
GFI — General Format Identifier
TA — Terminal Adapter (ATM)
ABC — activity-based costing methods
IFIP — International Federation of Information Processing societies
NRZI — Non-return to zero inverted
SSD — Solid-state drives
MCIF — (IBM) Measured Capability Improvement Framework
AVED — AntiVirus Emergency Discussion list
JECL — Job Entry Control Language
VCC — Virtual Circuit Connection
IDARS — Integrated Document Archive and Retrieval System
SA — System Administrator
IBT — IntelliLight Broadband Transport
CRJE — Conversational Remote Job Entry
CLLI — Common Language Location Identifier
WAMP — Windows, Apache, Mysql, PHP (or Perl or Phyton)
SBCS — Single-Byte Character Set

LACNIC — Latin American and Caribbean Internet Addresses Registry
CEAP — cloud-enabled application platforms
ACE — Agile Communication Environment
M2M — model-to-model
CGA — Colour Graphics Adaptor
WUS — Windows Update Services
AAC — ATM Access Concentrator
DCB — Data Center Bridging
ZDL — Zero Delay Lockout
LTE — Long-Term Evolution
HEC — Header Error Control
BTO — Business Technology Optimization
ETSI — European Telecommunications Standard Institute
PARM — Patient relationship management
EOJ — End Of Job
EBCD — Extended Binary Coded Decimal
AWS — Advanced Wireless Services
CB — C-Beautifier
ISS — Internet Security Systems, Inc.
ALET — Access List Entry Token
WOL — Wake On Lan's
LTF — Leap to Frogans
LDM — Limited Distance Modem
CELP — Code Excited Linear Prediction
DDSA — Digital Data Service Adapter
GFORTRAN — GNU Fortran compiler
SCM — Source Configuration Management
DBRT — Directed Beam Refresh Terminal
WAAS — Wide Area Augmentation System
EDIF — Electronic Design Interchange Format
LPR — Line Print
DRAC — Dell Remote Assistant Card
BCS — Basic Content Services
FFPF — Fairly Fast Packet Filter
CROI — companywide ROI
BTS — Bits Per Second
DAM — Database Activity Monitoring
PDAD — Proposed Draft Addendum
DTML — Document Template Markup Language
APA — All Points Addressable
DRU — Disc Remastering Utility
HITOOLBOX — Human Interface Toolbox
KPO — Knowledge Processing Outsourcing
EO — Eight Ones
GHOST — General Hardware-Oriented Software Transfer
LUNT — Line Unit Network Termination
RAPI — RSVP Application Programming Interface
BIPS — Bank Internet Payment System
XSLT — eXtensible Style Language Transformation
QLLC — Qualified Logical Link Control

IDRP — interdomain routing protocol
DUN — Dial-Up Networking
HTML5 — HyperText Markup Language 5
TSOP — Thin Small-Outline Package