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Computing & IT >> Computer Abbreviations

Look through 1707 acronyms and abbreviations related to Computer:

• IMHO — In My Humble Opinion
• LAN — Local Area Network
• URL — Universal Resource Locator
• CRAN — Comprehensive R Archive Network
• OSS — Open Source Software
• COMPUTER — Common Operating Machine Particularly Used For Trade Education And Research
• YMMV — Your Mileage May Vary
• ANSI — American National Standards Institute, Inc.
• ARPANET — Advanced Research Projects Agency Network (early internet)
• OIC — Oh I See
• OEM — Original Equipment Manufacturer (usually in reference to car parts)
• BTW — By The Way
• XML — Extensible Markup Language
• IT — Information Technology
• FTP — File Transfer Protocol
• ROM — Read-Only Memory
• CPU — Central Processing Unit
• L8R — Later
• AC — Alternating Current
• BBL — Be Back Later
• IP — Internet Protocol
• RFID — Radio Frequency Identification
• ARP — Address Resolution Protocol (ATM)
• CRT — Cathode Ray Tube (type of TV)
• CU — See You
• IRC — Internet Relay Chat
• FAQ — Frequently Asked Questions (sometimes Pronounced Fak)
• FIFO — First In, First Out
• PDF — Portable Document Format (created by Adobe Acrobat)
• PM — Private Message
• ASCII — American National Standard Code for Information Interchange
• API — Application Programming Interface
• GUI — Graphical User Interface (goo-ey)
• AFK — Away From Keyboard (Internet Chat Abbreviation)
• GFY — Go Fuck Yourself
• LIFO — Last In, First Out
• MTBF — Mean Time Before Failure
• AFAIK — As Far As I Know
• NP — No Problem
• POV — Point Of View
• ISO — International Organization for Standardization
• PS — PostScript
• RF — Radio Frequency
• LCD — Liquid Crystal Display
• CR — Carriage Return
• MAN — Metropolitan Area Network
• EDI — Electronic Data Interchange
• DEC — Digital Equipment Corporation
• ISP — Internet Service Provider
• B TAM — Basic Telecommunications Access Method

• VPN — Virtual Private Network (ATM)
• VDU — Visual Display Unit
• BRB — Be right back
• ATM — Asynchronous Transfer Mode
• L10N — Localization
• TYVM — Thank you very much
• LED — Light-Emitting Diode
• GPS — Global Positioning System (ex-NAVSTAR)
• GIS — Geographic Information System
• IMO — In My Opinion
• RPM — Revolutions Per Minute, (Rotations Per Minute)
• WTG — Way To Go
• CMIIW — Correct Me If I'm Wrong
• ACK — Acknowledge (telecommunications; Cf. NAK)
• SME — Subject Matter Expert
• WWW — World Wide Web
• GSM — Global System for Mobile Communications
• JIT — Just in time
• QA — Center for Quality Assurance in International Education
• AM — Amplitude Modulation
• CAD — Computer Aided Designer
• AMD — Advanced Micro Devices, Inc. (producer of computer chips)
• PGP — Pretty Good Privacy (encryption)
• HTTP — Hypertext Transfer Protocol
• DIY — Do-It-Yourself
• FYI — For Your Information
• WAN — Wide Area Network
• WB — Welcome Back
• FET — Field Effect Transistor
• OCR — Optical Character Recognition
• PDA — Personal Digital Assistant
• IBM — International Business Machines Corporation
• BBS — Be back soon
• BBIAB — Be Back In A Bit
• MIS — Management Information System (OSHA)
• PEBKAC — Problem Exists Between Keyboard And Chair (ditto)
• SMTP — Simple Mail Transfer Protocol
• DRAM — Dynamic Random Access Memory (dee-ram) (computing)
• ARPA — Advanced Research Projects Agency (made early internet)
• CMOS — Complementary Metal-Oxide Semiconductor
• RDF — Resource Description Framework
• AAMOF — As A Matter Of Fact
• DARPA — Defense Advanced Research Projects Agency (US)
• RAM — random-access memory
• CD — Compact Disc
• XMMS — X MultiMedia System
• EOF — End Of File
• IRL — In Real Life
• ADSL — Asymmetric Digital Subscriber Line
• ALU — Arithmetic Logic Unit

• AUP — Acceptable Use Policy
• UAAG — User Agent Accessibility Guidelines
• BIT — Binary Digit (either 0 Or 1)
• CRM — Customer Relationship Management
• CAE — Computer-Aided Engineering
• SLA — Service Level Agreement
• LED — law enforcement desk; light emitting diode
• EOD — End Of Day
• PC — Personal computer (host)
• SRAM — Static Random Access Memory (ess-ram)
• G11N — Globalization
• WIFI — Wireless Fidelity
• BBS — Bulletin Board System
• TTYL — Talk To You Later (Internet Slang)
• CAPTCHA — Completely Automated Public Turing test to tell Computers and Humans Apart
• ZOPE — Z Object Publishing Environment
• SQL — Structured Query Language
• OTOH — On The Other Hand
• HZ — cycles per second (hertz)
• DHCP — Dynamic Host Configuration Protocol
• SSI — Server Side Include
• DOS — Disk Operating System
• ISDN — Integrated Services Digital Network
• CC — Carbon Copy
• SSL — Secure Socket Layer
• PCB — printed circuit board
• DES — Data Encryption Standard
• MDF — Main Distribution Frame
• KISS — Keep It Simple Stupid
• ICT — Information and Communication Technology
• SAAS — Software as a Service
• EOM — End Of Message
• RFC — Request For Comment
• VHF — Very High Frequency
• DDOS — Distributed Denial of Service
• ZIFS — Zero Insertion Force Socket
• NFS — Network File System
• NMI — Non-Maskable Interrupt
• PNG — Portable Network Graphics (graphic file standard/extension)
• WYSIWYG — What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms)
• BFN — Bye for Now
• IETF — Internet Engineering Task Force
• MUA — Mail User Agent (Internet email)
• BCC — Blind Carbon Copy
• ASP — Application Service Provider
• XCBL — XML Common Business Library
• MHZ — Megahertz (Megacycles Per Second)
• DCOM — Distributed Component Object Model
• ABI — Application Binary Interface
• ITU — International Telecommunication Union

• I²C — Inter-Integrated Circuit
• QOS — Quality of Service
• SOHO — Small Office/Home Office. Acronym expression for the 'virtual office' environment and characteristics found in self-employed and small businesses, that are increasingly prevalent in the modern business age.
• POP — Point Of Presence (Internet)
• CMS — Content Management System
• NIST — National Institute of Standards and Technology
• FIPS — Federal Information Processing Standard
• IOW — In Other Words
• CGI — Common Gateway Interface
• BBIAM — Be Back In A Minute
• ERP — Emergency Response Plan
• IVR — Interactive Voice Response (telephone technology)
• PNP — Plug aNd Play
• DNS — Domain Name System
• ACM — Association for Computing Machinery
• RDBMS — Relational Database Management System
• DL — Download
• ASP — Active Server Page
• RL — Real Life - I.e. When Not Chatting
• DLL — Dynamic Link Library (computer file)
• CUL — See You Later
• FQDN — Fully Qualified Domain Name
• SLIP — Serial Line Interface Protocol
• UHF — Ultra High Frequency (300-3000 MHz; 1m-10cm)
• BSOD — Blue Screen Of Death
• IMAO — In My Arrogant Opinion
• MIPS — Millions of Instructions Per Second
• LUN — Logical Unit Number
• CPC — Cost Per Click-through
• AES — Advanced Encryption Standard
• NIM — No Internal Message. Used when the entire content of the email is contained in the subject and the body remains empty. This saves the recipient's time because she then does not have to open the email.
• BPS — bits per second
• ACL — Access Control List
• CDMA — Code Division Multiple Access (voice/data transmission)
• SAN — Storage Area Network
• CAM — computer aided manufacturing
• CUL8R — See You Later
• IC — Integrated Circuit
• UI — User Interface
• IP — Intellectual Property
• OS — Operating System
• SKU — Stock Keeping Unit
• CLI — Command line Interface (Cabletron)
• DSL — Digital Subscriber Line
• CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
• GIGO — Garbage In Garbage Out (computing)
• I/O — Input/Output
• LTNS — Long Time No See
• MB — Megabyte
• AI — Artificial Intellegence

• CIR — Committed Information Rate (Frame Relay)
• IPL — Initial Program Load
• BI — Business Intelligence
• ROFL — Rolling on the floor laughing
• BER — Bit-Error Rate
• UTC — Coordinated Universal Time
• UDP — User Datagram Protocol (FDDI related)
• DBMS — Database Management System
• TCP — Transmission Control Protocol
• CFM — Cubic Feet per Minute
• NM — Never Mind
• BOOTP — Bootstrap Protocol
• GPRS — General Packet Radio Service
• IMAP — Internet Message Access Protocol
• FWIW — For What It's Worth
• P2P — Peer to Peer (as in music file sharing systems like KaZaA)
• BAK — Back At Keyboard
• PC DOS — Personal Computer Disk Operating System
• PDH — Plesiochronous Digital Hierarchy
• RSN — Real Soon Now [which may be a long time coming]
• BSD — Berkeley Software Distribution
• TLA — Three Letter Abbreviation
• AGP — Accelerated Graphics Port
• DTE — Data Terminal Equipment
• DML — Data Manipulation Language
• LF — Low Frequency
• SSID — Service set identifier (Wi-Fi)
• ACE — Advanced Computing Environment
• FDDI — Fiber Distributed Data Interface
• SCSI — Small Computer System Interface
• BBFN — Bye Bye For Now
• SAS — Statistical Analysis System
• ABR — Available Bit Rate
• CAD — Computer-Aided Design
• NBD — No Big Deal
• GIF — Graphic Interchange Format
• GB — Gigabyte
• DAC — Discretionary Access Control
• BBIAF — Be Back In A Few
• SOHO — Small Office Home Office
• IE — Internet Explorer
• PPP — Point-to-Point Protocol
• KHZ — kilohertz (1000 cycles per second)
• RISC — Reduced Instruction Set Computer
• JSON — JavaScript Object Notation
• DDE — Dynamic Data Exchange (in software parlance)
• OOTB — Out Of The Box
• COTS — Commercial Off the Shelf Software
• DSP — Digital Signal Processor
• IANA — Internet Assigned Numbers Authority

• SNMP — Simple Network Management Protocol (ATM)
• ELF — Extremely Low Frequency
• ECC — Error Correction Code (Error Checking And Correction)
• BW — Bandwidth
• DMA — direct memory access (computer term)
• EAI — Enterprise Application Integration
• EBCDIC — Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD)
• UL — Upload
• CS — Computer Science
• ALSA — Advanced Linux Sound Architecture
• YACC — Yet Another Compiler-Compiler
• IDF — Intermediate Distribution Frame
• MAC — Media Access Control
• DVD — Digital Versatile Disc
• FYA — For Your Amusement
• MCSA — Microsoft Certified Systems Administrator
• CM — Configuration Management
• AAC — Advanced Audio Coding
• W3C — World Wide Web Consortium
• 4GL — Fourth-generation Programming Language
• RTM — Read the manual (meaning «don’t ask stupid questions before read existing information»)
• OMG — Object Management Group
• BASIC — Beginners Allpurpose Symbolic Instruction Code
• TTL — Time To Live
• TIA — Thanks in advance
• DBCS — Double-Byte Character Set
• MBR — Master Boot Record
• ERP — Enterprise Resource Planning
• SEO — Search Engine Optimizer
• USB — Universal Serial Bus
• RFI — Radio Frequency Interference
• ATA — Advanced Technology Attachment
• DFD — Data Flow Diagram
• RIP — Routing Information Protocol
• PPL — Pay Per Lead
• MIMO — Multiple Input, Multiple Output
• CVS — Concurrent Versions System
• RTF — Rich Text Format
• JPEG — Joint Photographic Experts Group (24-bit image storage format)
• AOL — America on line
• NOS — Network Operating System
• OSI — Open Systems Interconnection (iso Standard)
• ROTFL — Roll On The Floor Laughing
• RPC — Remote Procedure Call
• ACK — ACKnowledgment
• RAID — Redundant Array of Inexpensive Disks
• CORBA — Common Object Request Broker Architecture
• DDL — Data Definition Language
• IDE — Integrated Development Environment
• MOTD — Message of the Day

• BIOS — Basic Input Output System
• MUD — Multi-User Dungeon (gaming)
• TTL — Transistor-Transistor Logic
• HTML — Hyper Text Markup Language
• BCD — Binary-Coded Decimal
• EPROM — Erasable Programmable Read-Only Memory
• WAP — Wireless Application Protocol
• CDR — Compact Disc Recordable
• VR — Virtual Reality
• QOTD — Quote of the Day
• BGP — Border Gateway Protocol (routing protocol)
• ICANN — Internet Corporation for Assigned Names and Numbers
• MOM — Message Oriented Middleware
• PLC — Programmable Logic Control
• OTW — On the Way
• SGML — Standard Generalized Markup Language
• IM — Instant Message
• FDMA — Frequency Division Multiple Access
• MIB — Management Information Base (ATM)
• CAI — Computer-Aided Instruction
• MOO — MUD Object Oriented
• UPS — Uninterruptible Power Supply
• NIST — National Institute of Standards & Technology (US)
• EOL — End Of Line
• LDAP — Lightweight Directory Access Protocol (pronounced Ell-dap)
• BASIC — Beginner's All-Purpose Symbolic Instruction Code
• RPG — Report Program Generator
• KB — Keyboard
• AD — Administrative Domain
• E-MAIL — Electronic Mail
• COBOL — Common Business-Oriented Language
• VLF — Very Low Frequency
• RSI — Repetitive Strain Injury
• SMS — Short Message Service
• SVG — Scalable Vector Graphics
• DTP — Desktop Publishing
• MMS — Multimedia Messaging Service
• NIC — Network Interface Card
• SYSOP — System Operator
• MF — Medium Frequency
• MS — The Company Microsoft
• JBOD — Just a Bunch Of Disks/Drives
• VOIP — Voice Over IP (Internet Protocol)
• PCM — Pulse-Code Modulation
• EEPROM — Electrically Erasable Programmable Read-Only Memory
• ICMP — Internet Control Message Protocol
• WEP — Wired Equivalent Privacy
• CRLF — Carriage Return Line Feed
• MBPS — Megabits per second
• ARM — Advanced RISC Machines Ltd

• CSS — Cascade Style Sheet
• ADO — ActiveX Data Objects (Microsoft)
• OLE — Object Linking and Embedding (Microsoft communication protocol)
• EDVAC — Electronic Discrete Variable Automatic Computer
• IMCO — In My Considered Opinion
• RTS — Ready To Send
• UGC — User Generated Content
• SHA — Secure Hash Algorithm
• SOA — Service-Oriented Architecture
• DRM — Digital Rights Management
• TANSTAAFL — There Ain't No Such Thing As A Free Lunch (coined By Author Robert A. Heinlein In His The Moon Is A Harsh Mistress)
• Y2K — Year 2000
• CES — Consumer Electronics Show
• FITB — Fill In The Blank
• PHP — PHP Hypertext Processor
• MMORPG — Massive Multiplayer Online Role-Playing Game
• GUID — Globally Unique Identifier
• OSPF — Open Shortest Path First (ATM)
• MMU — Memory Management Unit
• ADC — Analog-Digital Converter
• SCADA — Supervisory Control And Data Aquisition
• DMCA — Digital Millennium Copyright Act
• ENIAC — Electronic Numerical Integrator And Computer
• PERL — Practical Extraction and Report Language
• TCP/IP — transmission control protocol/internet protocol
• HD — High Density
• BLOG — Web Log
• PD — Public Domain
• EAP — Extensible Authentication Protocol
• WTB — Want to Buy (a commonly used phrase in the online game "World of Warcraft")
• DOM — Document Object Model
• IME — Input Method Editor
• JVM — Java Virtual Machine
• MIME — Multipurpose Internet Mail Extension
• HF — High Frequency
• BSA — Business Software Alliance
• BYOD — Bring Your Own Device
• SMART — Self-Monitoring Analysis And Reporting Technology
• SOAP — Simple Object Access Protocol
• ITIL — Information Technology Infrastructure Library
• SMIL — Synchronized Multimedia Integration Language
• MPEG — Moving Picture Experts Group (International Standards Organisation/International Electrotechnical Commission)
• SEI — Software Engineering Institute
• PCMCIA — Personal Computer Memory Card International Association
• ACD — Automatic Call Distributor
• TTS — Text To Speech
• ESD — Electrostatic Discharge
• HTH — Hope This Helps. Email abbreviation when replying to requests. Potentially counter-productive if the recipient doesn't understand what it means...
• DOS — Denial Of Service
• SDK — Software Development Kit (Microsoft)

• IDE — Integrated Drive Electronics
• CNC — Computer Numerical Control
• TSR — Terminate and Stay Resident [software program]
• NSA — National Security Agency
• RACF — Resource Access Control Facility
• XHTML — Extensible Hypertext Markup Language
• ICL — In Christian Love
• LOC — Lines Of Code
• GMTA — Great Minds Think Alike
• MIT — Massachusetts Institute of Technology (U.S.)
• IEC — International Electrotechnical Commission
• WTH — What The Hell?
• MICR — Magnetic Ink Character Recognition
• CHAP — Challenge Handshake Authentication Protocol (ATM)
• LF — Line Feed
• CN — Common Name
• SDH — Synchronous Digital Hierarchy (ATM)
• CFD — computational fluid dynamics
• FCS — Frame check sequence (Ethernet)
• NOP — No Operation
• AD — Active Directory
• OLTP — Online Transaction Processing
• GHZ — Gigahertz
• RCS — Revision Control System
• DPI — Dots per inch.
• FOAF — Friend Of A Friend
• OASIS — Organization for the Advancement of Structured Information Standards
• BT — BitTorrent
• SITD — Still In The Dark
• KB — Kilobyte: One thousand and twenty-four bytes kbps kilo bit per second
• TB — Terabyte
• NNTP — Network News Transfer Protocol
• CIM — Common Information Model
• DAW — Digital Audio Workstation
• ACPI — Advanced Configuration and Power Interface
• CG — Computer Graphics
• EISA — Extended Industry Standard Architecture
• BPEL — Business Process Execution Language
• BPM — Business Process Modeling
• TCL — Tool Command Language
• CPRI — Common Public Radio Interface
• RAD — Rapid Application Development
• DEV — Development
• GOMS — Goals, Operators, Methods and Selection Rules
• TLS — Transport Layer Security
• ADCCP — Advanced Data Communications Control Procedures
• FPS — Frames per second.
• FSF — Free Software Foundation
• NOC — Network Operations Center
• IDS — Intrusion Detection System

• RTP — Real-Time Transport Protocol
• NCSA — National Center for Supercomputing Applications
• GNU — GNU's Not UNIX (a Recursive Acronym)
• EFF — Electronic Frontier Foundation
• LMAO — Laughing my arse off
• MOTOS — Member Of The Opposite Sex
• ALGOL — Algorithmic Language
• WLAN — Wireless Local Area Network
• SERP — Search Engine Results Positioning
• CMYK — Cyan, Magenta, Yellow, Black
• MHOTY — My Hat's Off To You
• PLD — Programmable Logic Device
• DVR — Digital Video Recorder
• TFT — Thin Film Transistor
• NSP — Network Service Provider
• MTA — Mail Transfer Agent
• DLC — Downloadable Content
• PAAS — Platform-as-a-Service
• OTTOMH — Off the top of my head
• ECMA — European Computer Manufacturer's Association
• AT — Advanced Technology
• ADT — Abstract Data Type
• URI — Uniform Resource Identifier
• PKI — Public Key Infrastructure (cryptography)
• ODBC — Open Database Connectivity
• MDA — Model Driven Architecture
• SSH — Secure Shell (Unix program)
• LPI — Lines Per Inch
• ETLA — Extended Three Letter Acronym
• AJAX — Asynchronous Javascript and XML
• CUA — Common User Access
• GIMP — GNU Image Manipulation Program
• VB — Visual Basic
• MTU — Maximum Transmission Unit
• CERT — Computer Emergency Response Team
• MBPS — Megabytes Per Second
• QBE — Query By Example
• HSDPA — High-Speed Downlink Packet Access
• KB — Knowledge Base
• UML — Unified Modeling Language (Object Management Group, OMG)
• RSA — Rivest-Shamir-Adleman
• DFS — Distributed File System
• LCD — Liquid-crystal display
• FXP — File Exchange Protocol
• MOTAS — Member Of The Appropriate Sex
• FRU — Field Replaceable Unit
• WAP — Wireless Access Point
• TTY — Teletype Telex Machine
• FEC — Forward Error Correction
• UPNP — Universal Plug and Play

• IAC — In Any Case
• TSO — time Sharing option (of OS/360, IBM)
• VM — Virtual Memory
• GNOME — GNU Network Object Model Environment
• OSS — Open Sound System
• APIC — Advanced Programmable Interrupt Controller
• KBPS — kilobits per second
• NTP — Network Time Protocol
• RUP — Rational Unified Process
• BYKT — But You Knew That
• S/MIME — Secure/Multipurpose Internet Mail Extensions
• IRDA — Infrared Data Association
• MIPS — Microprocessor without Interlocked Pipeline Stages
• MSI — Medium-Scale Integration
• ISV — Independent Software Vendor
• LFS — Linux from Scratch
• IOT — Internet of Things
• 2NF — Second Normal Form
• ECC — Elliptic Curve Cryptography
• ECN — Explicit Congestion Notification
• FSCK — File System Check
• GPL — General Public License
• AWT — Abstract Window Toolkit (Java)
• ADB — Apple Desktop Bus
• TDMA — Time Division Multiple Access
• RARP — Reverse Address Resolution Protocol
• ICS — Internet Connection Sharing
• CRUD — Create, Read, Update and Delete
• SCTP — Stream Control Transmission Protocol
• ASPI — Advanced SCSI Programming Interface
• CISC — Complex Instruction Set Computer
• CC — C Compiler
• MDA — Monochrome Display Adapter
• FSM — Finite State Machine
• AIX — Advanced Interactive Executive (IBM)
• UNIX — Uniplexed Information and Computing System
• MPLS — Multiprotocol Label Switching
• EPROM — Electrically Programmable Read Only Memory
• EGP — Exterior Gateway Protocol
• OUI — Organizationally Unique Identifier
• MGB — May God Bless
• APR — Apache Portable Runtime
• PPTP — Point-to-Point Tunneling Protocol
• NLP — Natural Language Processing
• CGI — Computer-Generated Imagery
• BRM — Business Reference Model
• ORB — Object Request Broker
• SOE — Standard Operating Environment
• DVI — Digital Visual Interface
• ACID — Atomicity Consistency Isolation Durability

• PAN — Personal Area Network
• DAT — Digital Audio Tape
• CHS — Cylinder-Head-Sector addressing
• CPS — characters per second
• PCL — Printer Command Language
• IPX — Internetwork Packet Exchange
• HFS — Hierarchical File System
• LTE — Long Term Evolution
• AFAICR — As Far As I Can Remember
• HDD — Hard Disk Drive
• AA — Anti-Aliasing
• CDE — Common Desktop Environment
• MDA — Mail Delivery Agent
• MVS — Multiple Virtual Storage
• APC — American Power Conversion
• VAR — Variable
• LGA — Land Grid Array
• ASIC — application-specific integration circuit
• CT — Computerised Axial Tomography
• UCS — Universal Character Set
• KB — Kilobit
• BJT — Bipolar Junction Transistor
• CPL — Cost Per Lead
• IPS — Intrusion Prevention System
• ERD — Entity-Relationship Diagram
• AVI — Audio Video Interleave
• LKML — Linux Kernel Mailing List
• ARIN — American Registry for Internet Numbers
• IS — International Standard
• FAT — File Allocation Table
• PBS — Portable Batch System
• XMPP — Extensible Messaging and Presence Protocol
• HDMI — High-Definition Multimedia Interface
• VLSI — Very-Large-Scale Integration
• FTTH — Fiber To The Home
• IGRP — Interior Gateway Routing Protocol
• RTSP — Real Time Streaming Protocol
• LGPL — Lesser General Public License
• FPU — Floating Point Unit
• AAL — ATM Adaptation Layer
• VSAT — Very Small Aperture Terminal (satellite service)
• JSP — Java Server Page
• DCCP — Datagram Congestion Control Protocol
• UUID — Universally Unique Identifier (see Also GUID)
• POID — Persistent Object Identifier
• DB — Database
• HCL — Hardware Compatibility List
• JDBC — Java Database Connectivity
• COM — Component Object Model
• CIDR — Classless Inter-Domain Routing (ATM)

• TLV — Type-Length-Value
• IDL — Interface Definition Language
• IIOP — Internet Inter-ORB Protocol
• HAL — Hardware Abstraction Layer
• POJO — Plain Old Java Object
• MSB — Most Significant Bit
• RAS — Remote Access Service
• RIA — Rich Internet Application
• DTR — Data Terminal Ready
• SDP — Session Description Protocol
• MB — Megabit
• PCI — Peripheral Component Interconnect
• GAS — GNU ASsembler
• VOD — Video On Demand
• RSS — Really Simple Syndication
• RTOS — Real-Time Operating System
• XPCOM — Cross-Platform Component Object Model
• HHOK — Ha-ha, only kidding
• MAC — Mandatory Access Control
• GPIO — General Purpose Input/Output
• AARP — Appletalk Address Resolution Protocol
• RIAA — Recording Industry Association of America
• PMU — Power Management Unit
• MCT — Microsoft Certified Trainer
• AMR — Audio Modem Riser
• DCMI — Dublin Core Metadata Initiative (Online Computer Library Center)
• HMA — High Memory Area
• AOE — ATA Over Ethernet
• CA — Certificate Authority
• HP — Hewlett-Packard Development Company
• DMI — Direct Media Interface
• WPAN — Wireless Personal Area Network
• EULA — End User License Agreement (usually in reference to software)
• IPC — Interprocess Communication
• TEMP — Temporary (worker, file, etc.)
• BPDU — Bridge Protocol Data Unit
• FS — File System
• CHAP — Challenge-Handshake Authentication Protocol (PPP)
• ATX — Advanced Technology Extended [Intel]
• EPS — Encapsulated Postscript
• IRI — Internationalized Resource Identifier
• ALI — Acer Labs Incorporated
• MPL — Mozilla Public License
• SMBIOS — System Management BIOS
• VGA — Video Graphics Array
• NTFS — New Technology File System
• MPAA — Motion Picture Association of America
• XSD — XML Schema Definition
• ADF — automatic document feeder
• AWT — Abstract Windowing Toolkit

• JIT — Just-In-Time (inventory management)
• CDN — Content Delivery Network
• DCL — Data Control Language
• RC — Release Candidate
• ISA — Industry Standard Architecture
• PROM — Programmable Read-Only Memory
• VRML — Virtual Reality Modeling Language
• DTD — Document Type Definition (XML)
• DCC — Digital Command Control
• PPPOE — Point-to-Point Protocol Over Ethernet
• GBPS — Gigabits per second
• FS — For Sale
• DPI — Deep Packet Inspection
• HPFS — High Performance File System
• IAE — In Any Event
• TIC — Taken Into Consideration
• MCSD — Microsoft Certified Solution Developer
• VCS — Version Control System
• XSL — eXtensible Stylesheet Language
• RADIUS — Remote Authentication Dial-In User Service
• NAN — Not A Number (computing)
• PAP — Password Authentication Protocol (ATM)
• MOTSS — Member Of The Same Sex
• CIFS — Common Internet File System
• RGB — red-green-blue (signal)
• VNC — Virtual Network Computing
• DAP — Directory Access Protocol
• INTERNIC — Internet Network Information Center
• CLOB — Character Large Object
• BT — BlueTooth
• SMB — Server Message Block
• 1GL — First-Generation Programming Language
• GCC — GNU Compiler Collection
• FDD — Floppy Disk Drive
• AAT — Average Access Time
• ACR — Allowed Cell Rate
• AST — Abstract Syntax Tree
• OLAP — Online Analytical Processing
• CPA — Cost Per Action
• CTS — Clear To Send
• IO — Input/Output
• TFTP — Trivial File Transfer Protocol (ATM)
• POE — power over ethernetinjector
• SIMD — Single Instruction, Multiple Data (system) (processor)
• NACK — Negative ACKnowledge
• ABEND — Abnormal End
• OID — Object Identifier
• DBA — Database Administrator
• UAT — User Acceptance Test
• LIB — Libra

• SNA — System Network Architecture
• SDL — Simple DirectMedia Layer
• LZW — Lempel-Ziv-Welch
• MIDI — Musical Instrument Digital Interface
• SIMM — Single Inline Memory Module
• APL — Ada Programming Language
• HURD — Hird Of Unix-Replacing Daemons (cf. Hird)
• SSI — Single System Image
• ICE — In-Circuit Emulator
• IIS — Internet Information Services
• LISP — List Processing Language
• JDK — Java Development Kit
• ABR — Area Border Router
• BEEP — Blocks Extensible Exchange Protocol
• OSS — Operations Support System
• SPF — Sender Policy Framework
• PIM — Personal Information Manager
• EMS — Expanded Memory Specification
• DR-DOS — Digital Research Disk Operating System
• OOP — Of an Object Oriented Programming
• TLD — Top Level Domains
• DVD — Digital Video Disc
• FSB — Front-Side Bus
• EDSAC — Electronic Delay Storage Automatic Computer
• FMC — Fixed Mobile Convergence "Mobile UC or Unified Communications over Wireless"
• FPGA — Field-Programmable Gate Array
• IPSEC — Internet Protocol Security
• TI — Texas Instruments, Inc.
• IRQ — Interrupt Request
• MMI — Man-Machine Interface
• RLL — Run Length Limited
• MCA — Micro Channel Architecture
• PING — Packet Inter-Network Groper
• HSM — Hierarchical Storage Management
• IRP — I/O Request Packet
• RMI — Remote Method Invocation
• GML — Geography Markup Language
• MSA — Mail Submission Agent
• ISR — Interrupt Service Routine
• SP — Service Pack
• JNI — Java Native Interface
• JCL — Job Control Language
• JRE — Java Runtime Environment
• SWT — Standard Widget Toolkit
• VM — Virtual Machine
• CF — Compact Flash
• IPTV — Internet Protocol Television
• MOBO — Motherboard
• JFET — junction field effect transistor
• MOS — Microsoft Office Specialist

• LAMP — Linux, Apache, MySQL and PHP
• MFC — Microsoft Foundation Class
• LSB — LINUX Standard Base
• PHP — Hypertext Preprocessor
• NRN — No response necessary
• IPP — Internet Printing Protocol
• BSS — Block Started by Symbol
• DN — Distinguished Name
• GFDL — GNU Free Documentation License
• GWT — Google Web Toolkit
• 10B-FB — 10 Base-Fb
• XT — Extended Technology
• PDP — Programmed Data Processor
• AFP — Apple Filing Protocol
• AM — Access Method
• JFC — Java Foundation Class
• DSLAM — Digital Subscriber Line Access Multiplexer (Module)
• MANET — Mobile Ad Hoc Network
• CS — Cable Select
• AIFF — Audio Interchange File Format
• PTS-DOS — PhysTechSoft - Disk Operating System
• RIR — Regional Internet Registry
• NAT — Network Address Translation
• OOP — Object-Oriented Programming
• MVC — Model View Controller (Microsoft software design pattern)
• JFS — IBM Journaling File System
• CDFS — Compact Disc File System
• 3GL — Third-Generation Programming Language
• WCF — Windows Communication Foundation
• BLOB — Binary Large Object
• TIFF — Tag Image File Format
• TMP — Temporary
• APIPA — Automatic Private IP Address
• WI-FI — Wireless Fidelity
• LIB — Object Code Library
• YAHOO! — Yet Another Hierarchical Officious Oracle
• KDE — K Desktop Environment
• EUC — Extended Unix Code
• PLC — Power line communication (electricity)
• CSE — Computer Science and Engineering Department (University of Washington)
• CSS — Content Scramble System
• SPMD — Single Program Multiple Data
• MXF — Material eXchange Format
• FC-PGA — Flip Chip Pin Grid Array
• MCP — Microsoft Certified Professional
• VLE — Virtual Learning Environment
• GB — Gigabit
• WINS — Windows Internet Name Service
• VAX — Virtual Address Extension
• MT — Machine Translation

• TLD — Top-Level Domain
• TPF — Transaction Processing Facility
• RDBMS — Relational Data Base Management System (Oracle)
• HBA — Host Bus Adapter
• ISNS — Internet Storage Name Service
• SSH — Secure Shell How
• ANN — Artificial Neural Network
• PXE — Preboot Execution Environment
• DV — Digital Video
• ICT — Information and Communication Technologies
• NTLM — NT LAN Manager Protocol
• SOI — Silicon-On-Insulator
• DHTML — Dynamic HyperText Markup Language
• SLOC — Source Lines Of Code
• CMOS — Complementary Metal Oxide Semiconductors
• IGMP — Internet Group Management Protocol
• SD — Secure Digital
• PGA — Pin Grid Array
• SCP — Secure Copy Protocol
• OPML — Outline Processor Markup Language
• PVR — Personal Video Recorder
• ANT — Another Neat Tool
• PPPOA — Point-to-Point Protocol Over ATM
• 100B-FX — 100 Base-Fx
• EBCDIC — Extended Binary-Coded Decimal Interchange Code
• VPI — Virtual Path Identifier
• WIMAX — Worldwide Interoperability for Microwave Access, Inc.
• DDR-SDRAM — Double Data Rate - Synchronous Dynamic Random Access Memory
• ISAM — Indexed Sequential Access Method
• LILO — Linux Loader
• EIGRP — Enhanced Interior Gateway Routing Protocol
• CDROM — compact disc read-only memory
• RPM — Revenue Per 1,000 Impressions. (M Is The Roman Numeral For 1,000)
• BTS — Bug Tracking System
• DIN — Deutsches Institut für Normung.
• FILO — First In, Last Out
• FCB — File Control Block
• LSB — least-significant byte
• POP3 — Post Office Protocol 3 (email)
• J2EE — Java 2 Enterprise Edition
• BRR — Business Readiness Rating
• SPI — Serial Peripheral Interface
• DCC — Direct Client to Client
• OLED — Organic Light-Emitting Diode
• ESB — Enterprise Service Bus
• VBA — Visual BASIC for Applications
• SIP — Session Initiation Protocol
• UUCP — UNIX to UNIX Copy Package
• WPF — Windows Presentation Foundation
• UTF — Unicode Transformation Format

• ROF — Rolling On (the) Floor
• JCP — Java Community Process
• KBPS — KiloBytes per second
• RTC — Real Time Clock
• VESA — Video Electronics Standards Association
• IFL — Integrated Facility for Linux
• TLS — Thread Local Storage
• LV — Logical Volume
• NETBIOS — Network Basic Input/Output System
• NLS — National Language Support
• EFI — Extensible Firmware Interface
• LTL — Linear Temporal Logic
• SDI — Single Document Interface
• PIO — Programmed Input/Output
• RAII — Resource Acquisition Is Initialization
• FC-AL — Fibre Channel-Arbitrated Loop
• MCDST — Microsoft Certified Desktop Support Technician
• ASLR — Address Space Layout Randomization
• RDRAM — RAMBUS Dynamic Random Access Memory
• SVGA — Super Video Graphics Array
• VLAN — Virtual Local Area Network
• ADC — Apple Display Connector
• CFG — Control Flow Graph
• NCQ — Native Command Queuing
• 5GL — Fifth-Generation Programming Language
• 4NF — Fourth Normal Form
• PON — Passive Optical Network
• PS/2 — Personal System/2 (Microsoft)
• OC — Overclock (Over Clock)
• SLM — Service Level Management
• ACF — Advanced Communications Function (IBM)
• RGBA — Red Green Blue Alpha
• OMR — Optical Mark Recognition
• SVC — Scalable Video Coding
• MPU — Microprocessor Unit
• JTAG — Joint Test Action Group
• MCA — Microsoft Certified Architect
• LVD — Low Voltage Differential
• TWAIN — Technology Without An Interesting Name
• AABB — Axis-Aligned Bounding Box
• NAS — Network-Attached Storage
• SDR — Software Defined Radio
• WDM — Wavelength-Division Multiplexing
• PID — Process Identification Document
• SATA — Serial Advanced Technology Attachment
• POSIX — Portable Operating System Interface
• CLR — Common Language Runtime
• PIC — Programmable Interrupt Controller
• ISA — Instruction Set Architecture
• ICF — Internet Connection Firewall

• RISC — Reduced Instruction Set Computing
• ACK — Amsterdam Compiler Kit
• BFD — Bidirectional Forwarding Detection
• AC — Acoustic Coupler
• ASIMO — Advanced Step in Innovative Mobility
• DPMI — DOS Protected Mode Interface
• ALAC — Apple Lossless Audio Codec
• VI — Visual
• PCMCIA — People Can't Memorize Computer Industry Acronyms
• BOM — Byte Order Mark
• CDP — Continuous Data Protection
• TCP/IP — Transmission Control/Internet Protocol
• OLPC — One Laptop Per Child
• NGL — aNGeL
• JMX — Java Management Extensions
• BTAM — Basic Telecommunications Access Method
• SLI — Scalable Link Interface
• REST — Representational State Transfer
• EXIF — Exchangeable Image File
• APU — Accelerated Processing Unit
• ACL — Active Current Loop
• SPI — Stateful Packet Inspection
• VT — Video Terminal
• SSE — Streaming SIMD Extensions
• SSD — Solid State Drive
• P2P — Peer-to-peer (networking)
• WWID — World Wide Identifier
• JNDI — Java Naming and Directory Interface
• SDSL — Symmetric Digital Subscriber Line
• SIMM — Single In-line Memory Module
• FOSS — Free and Open Source Software
• FDMA — Frequency-Division Multiple Access
• JS — JavaScript
• EPIC — Explicitly Parallel Instruction Computing
• SNTP — Simple Network Time Protocol
• VGA — Video Graphics Adapter
• MIMD — multiple instruction, multiple data (system)
• QDR — Quad Data Rate
• ROM-DOS — Read Only Memory - Disk Operating System
• RJE — Remote Job Entry
• DDR — Double Data Rate
• UUCP — Unix To Unix Copy Program
• TAO — Track-At-Once
• DLP — Digital Light Processing
• SOC — System-on-a-Chip
• SODIMM — Small Outline Dual Inline Memory Module
• LSI — Large Scale Integration -> VLSI
• ZISC — Zero Instruction Set Computer
• TSP — Traveling Salesman Problem
• DIMM — Dual In-line Memory Module (computing)

• PPS — Pay Per Sale
• NPL — Netscape Public License
• ISC — Internet Storm Center
• NAK — Negative Acknowledge
• OSI — Open Source Initiative
• SECC — Single Edge Contact Connector
• MCM — Microsoft Certified Master
• 3NF — Third Normal Form
• WWN — World Wide Name
• AM — Active Matrix
• SDRAM — Synchronous dynamic random access memory
• MCDBA — Microsoft Certified DataBase Administrator
• SDN — Service Delivery Network
• MS — Memory Stick
• VCI — Virtual Channel Identifier
• CFG — Context-Free Grammar
• LBA — Logical Block Addresses
• ZCAV — Zone Constant Angular Velocity
• PSM — Platform Specific Model
• UE — User Experience
• PGA — Programmable Gate Array
• EUP — Enterprise Unified Process
• WAIS — Wide Area Information Server
• RHEL — Red Hat Enterprise Linux
• VFAT — Virtual File Allocation Table
• IL — Intermediate Language
• GPG — GNU Privacy Guard
• VTAM — Virtual Telecommunication Access Method
• DEV — Devices
• WOL — Wake-On-LAN
• YAML — YAML Ain't Markup Language(Yet Another Markup Language)
• WSDL — Web Services Description Language
• WPA — Wi-Fi Protected Access
• BBIAFM — Be Back in A Few Minutes
• UART — Universal Asynchronous Receiver/Transmitter
• 10B-FP — 10 Base-Fp
• OS — Open Source
• LPI — Linux Professional Institute
• IPS — Instructions Per Second
• GPU — Graphics Processing Unit
• EMACS — Editor MACroS
• OAT — Operational Acceptance Testing
• RAID — Redundant Array of Independent Disks
• NFC — Near Field Communication
• 6NF — Sixth Normal Form
• MDI — Multiple Document Interface
• PCB — Process Control Block
• MSDN — Microsoft Developer Network
• IVRS — Interactive Voice Response System
• UAC — User Account Control

• MDD/MDSD — Model-Driven (Software) Development
• MVC — Model-View-Controller
• XPS — XML Paper Specification
• QTAM — Queued Teleprocessing Access Method
• DAO — Disk-At-Once
• MMX — Matrix Math Extensions (Multimedia Extensions)
• MBCS — Multi-Byte Character Set
• DIMM — Dual Inline Memory Module
• ASSP — Application-specific standard product
• ISCSI — Internet Small Computer System Interface
• AT — Access Time
• DAO — Data Access Object
• CPA — Converged Packet Access
• SCM — Source Code Management
• AVC — Advanced Video Coding
• MSI — Microsoft Software Installer
• PIC — Peripheral Interface Controller
• RRAS — Routing and Remote Access Service
• UMA — Upper Memory Area
• SATA — Serial Ata
• NT — New Technology, also Windows NT
• CSI — Common System Interface
• ATAG — Authoring Tool Accessibility Guidelines
• CPAN — Comprehensive PERL Archive Network
• FDC — Floppy Disk Controller
• BASH — Bourne-again shell
• URN — Uniform Resource Namespace
• CTSS — Compatible Time Sharing System
• MVP — Most Valuable Professional
• ELM — Electronic Mail for UNIX
• LCR — Least Cost Routing
• RLE — Run-Length Encoding
• FIOS — Fiber Optic Services
• SU — Superuser
• WWAN — Wireless Wide Area Network
• PPC — Pay Per Click (a search engine advertising model)
• VLSM — Variable Length Subnet Mask
• CPS — Classroom Performance System
• PSU — power supply unit
• SPM — Software Project Management
• DIP — Dual In-line Package (electronics)
• SSD — Software Specification Document
• GPT — GUID Partition Table
• CSRF — Cross-Site Request Forgery
• RTE — Real-Time Enterprise
• DSDL — Document Schema Definition Languages
• DFS — Depth-First Search
• AWK — Aho, Weinberger, Kernighan
• HTM — Hierarchical Temporal Memory
• AMQP — Advanced Message Queuing Protocol

• ACME — Automated Classification of Medical Entities
• PARC — Palo Alto Research Center
• OMF — Object Module Format
• EBML — Extensible Binary Meta Language
• MX — Mail Exchange
• MP3 — MPEG-1 Audio Layer-3
• VPU — Visual Processing Unit
• VDSL — Very High Bitrate Digital Subscriber Line
• CSS — Closed Source Software
• ECOS — Embedded Configurable Operating System
• GLUT — OpenGL Utility Toolkit
• POST — Power On Self Test
• LVM — Logical Volume Management
• 2GL — Second-Generation Programming Language
• FLOPS — FLoating-Point Operations Per Second
• CJK — Chinese, Japanese, and Korean
• DFA — Deterministic Finite Automaton
• DPMS — Display Power Management Signaling
• OOO — Openoffice.org
• AMD — Advanced MicroDevices
• DAC — Digital-To-Analog Converter
• HDL — Hardware Description Language
• AALC — ATM Adaptation Layer Connection
• OO — OpenOffice
• OOOE — Out-of-Order Execution
• TTF — TrueType Font
• CCD — Charged Coupled Device
• JES — Job Entry Subsystem
• WAMP — Windows, Apache, MySQL, and PHP
• EDO — Extended Data Output
• BNC — Barrel Nut Connector
• SPARC — Scalable Processor Architecture Reduced Instruction Set Computer
• BIN — Binary
• VSAM — Virtual Storage Access Method
• CP/M — Control Program/Monitor
• LPT — Line Print Terminal
• VIM — Vi Improved
• DVD RW — Digital Versatile Disk Rewritable
• SDIO — Secure Digital Input/Output
• SMA — SubMiniature version A
• EGA — Enhanced Graphics Array
• ICE — Intrusion Countermeasure Electronics
• RAIT — Redundant Array of Inexpensive Tapes
• PNP — Plug 'N Play
• DIVX — Digital Video Express
• SAX — Simple API for XML
• PL/I — Programming Language One
• XFX — XFX Graphics, a Division of Pine
• NSS — Network Security Services
• TTS — text-to-speech speech

• WINFS — Windows Future Storage
• S/PDIF — Sony/Philips Digital Interface
• L2TP — Layer two Tunneling Protocol
• GDB — GNU Debugger
• RAS — Reliability, Availability and Serviceability
• BAL — Basic Assembly Language (Cf. ALC)
• SGI — Silicon Graphics Incorporated
• SRGB — Standard Red Green Blue
• ATAPI — Advanced Technology Attachment Packet Interface
• PPM — pages per minute (a laser printer production rate metric)
• MCTS — Microsoft Certified Technology Specialist
• EID — electronic ID card
• HID — Human Interface Device
• BMP — Bitmap Format (Windows)
• MFM — Modified Frequency Modulation
• CTCP — Client-To-Client Protocol
• DCIM — Digital Camera Images
• YAST — Yet Another Setup Tool
• NCP — NetWare Core Protocol
• KRL — Knowledge Representation Language
• DOCSIS — Data over Cable Service Interface Specification
• NI — National Instruments
• MSI — Micro-Star International
• GDI — Graphical Device Interface
• TBPS — Terabits Per Second
• NDS — Novell Directory Services
• MAPI — Messaging Application Program Interface
• PMM — Post Memory Manager
• TNC — Threaded Neill-Concelman
• RAMDAC — Random Access Memory Digital Analog Convertor
• RFID — Radio-Frequency Identification
• ARPA — Address and Routing Parameter Area
• ERM — Entity-Relationship Model
• IR — Intermediate Representation
• UX — User Experience
• GPL — General-Purpose Language
• APCI — Application-Layer Protocol Control Information
• SMC — SMC Networks
• BIDI — Bi-Directional
• CD-ROM — Compact Disk - Read Only Memory
• SMM — Social Media Marketing
• FWS — Folding White Space
• PV — Physical Volume
• PL/P — Programming Language for Prime
• AOP — Aspect-Oriented Programming
• CTX — Commited to Excellence
• IHV — Independent Hardware Vendor
• RC — Run Commands (UNIX)
• ABM — Asynchronous Balanced Mode
• NIC — Network Interface Controller

• BFS — Breadth-First Search Algorithm
• NCP — Network Control Program
• SSI — Small-Scale Integration
• MB — Motherboard
• TUCOWS — The Ultimate Collection of Winsock Software
• CDSA — Common Data Security Architecture
• CTP — Composite Theoretical Performance
• RADIUS — Remote Authentication dial In User Service
• SHDSL — Single-pair High-speed Digital Subscriber Line
• VLIW — Very Long Instruction Word
• FOLDOC — Free On-Line Dictionary Of Computing
• XGA — eXtended Graphics Array
• OO — Open Office
• ISPF — Interactive System Productivity Facility
• GPIB — General-Purpose Instrumentation Bus
• XSS — Cross-Site Scripting
• XMS — Extended Memory Specification
• 2B1Q — 2 Binary 1 Quaternary
• NLS — Native Language Support
• DMR — Dennis M Ritchie
• PPI — Pixels Per Inch
• ECRS — Expense & Cost Recovery System
• 100B-TX — 100 Base-Tx
• PUM — Potentially Unwanted Modification
• ZIF — Zero Insertion Force (The device on a)
• CSV — Comma Separated Value(s)
• RISC OS — Reduced Instruction Set Computer Operating System
• FSB — Frontside Bus
• SAS — Serial-Attached SCSI
• WOL — Wake On Lan's
• LDT — Lightning Data Transport
• WSFL — Web Services Flow Language
• NTMK — Not To My Knowledge
• XAML — Extensible Application Markup Language
• ACR — Attenuation to Crosstalk Ratio
• GPFS — General Parallel File System
• RDC — Remote Desktop Connection
• NVR — Network Video Recorder
• QFP — Quad Flat Pack
• VRAM — Video Random Access Memory
• GRUB — Grand Unified Boot-Loader
• MISD — Multiple Instruction Single Data
• ABCL — Actor-Based Concurrent Language
• PL/M — Programming Language for Microcomputers
• ESR — Eric Steven Raymond
• OOM — Out of Memory
• ELF — Executable Linking Format
• JBL — Jame B. Lansing
• PPGA — Plastic Pin Grid Array
• ASN.1 — Abstract Syntax Notation 1

• PUP — Potentially Unwanted Program
• NEP — Network Equipment Provider
• UEFI — Unified Extensible Firmware Interface
• UDMA — Ultra Direct Memory Access
• SLA — Software License Agreement
• HTTPS — HyperText Transport Protocol Secure
• NUMA — Non Uniform Memory Access
• 100B-T — 100 Base-tT
• RSS — Radio Service Software (Motorola)
• FTTC — Fiber To The Curb光纤到路边
• DD — Double Density
• SWF — Shock Wave Flash
• SO-DIMM — Small Outline Dual In-Line Memory Module
• 10B-F — 10BASE-F
• CD-R — Compact Disc-Recordable
• EIDE — Enhanced Integrated Drive Electronics
• TCU — Telecommunication Control Unit
• MMDS — Mortality Medical Data System
• DFI — DFI Inc. (Design for Innovation)
• WORA — Write Once Run Anywhere
• IBCS — Intel Binary Compatibility Standard
• BCNF — Boyce–Codd normal form
• MNG — Multiple-image Network Graphics
• 10B-FB — 10BASE-FB
• DRM — Direct Rendering Manager
• 1NF — First Normal Form
• EDA — Electronic Design Automation
• 100B-FX — 100BASE-FX
• CPA — Control Panel Applet
• AE — Adaptive Equalizer
• ALU — Arithmetic and Logical Unit
• MCITP — Microsoft Certified Information Technology Professional
• 5NF — Fifth Normal Form
• WDDM — Windows Display Driver Model
• CTAN — Comprehensive TeX Archive Network
• NVRAM — Non-Volatile Random Access Memory
• BINAC — Binary Automatic Computer, Nachfolger des ENIAC
• NP — Nondeterministic Polynomial Time
• EDSAC — Electronic Delay Storage Automatic Calculator
• CTSS — Compatible Time-Sharing System
• CSP — Communicating Sequential Processes
• TWAIN — Technology Without An Important Name
• ZCS — Zero Code Suppression
• RTE — Runtime Environment
• URI — Universal Resource Identifier
• ZMA — Zone Multicast Address
• USR — User
• IPS — InPlane Switching
• PGO — Profile-Guided Optimization
• WBEM — Web-Based Enterprise Management

• NEXT — Near-end Crosstalk
• ULA — Uncommitted Logic Array
• MPEG — Motion Pictures Experts Group
• IGP — Integrated Graphics Processor
• NPU — Network Processing Unit
• JSF — JavaServer Faces
• SFTP — Simple File Transfer Protocol
• FSAA — Full Screen Anti-Aliasing
• MGCP — Multimedia Gateway Control Protocol
• PID — Proportional, Integral, Derivative
• DP — Dot Pitch
• IDE — Integrated Device Electronics
• TRON — The Real-Time Operating System Nucleus
• AL — Active Link
• DVD-RAM — Digital Versatile Disc Random Access Memory
• PNY — PNY Technology
• WAI — Web Access Initiative
• JAXP — Java API for XML Processing
• UDDI — Universal Description, Discovery, and Integration
• UMB — Upper Memory Block
• DRI — Direct Rendering Infrastructure
• XMP — Extensible Metadata Platform
• BFD — Binary File Descriptor
• SCID — Source Code in Database
• NSS — Name Service Switch
• XP — Extreme Programming
• VCPI — Virtual Control Program Interface
• LCOS — Liquid Crystal on Silicone
• DSDM — Dynamic Systems Development Method, Ltd
• HHD — Hybrid Hard Drive
• MCPD — Microsoft Certified Professional Developer
• JSP — Jackson Structured Programming
• SISO — Single-Input and Single-Output
• ETL — Extract, Transform, Load
• DVI — Digital Video Interface
• BIND — Berkeley Internet Name Domain
• MAMP — Mac OS X, Apache, MySQL, and PHP
• SDDL — Security Descriptor Definition Language
• DVD R — Digital Versatile Disc Recordable
• MOSFET — Metal-Oxide Semiconductor Field Effect Transistor
• ESCON — Enterprise Systems Connection
• FLAC — Free Lossless Audio Codec
• FOSDEM — Free and Open Source Software Developers' European Meeting
• CTI — Computer Telephony Integration
• SMS — System Management Server
• DSL — Domain-Specific Language
• EXT — EXTended file system
• FASM — Flat Assembler
• XUL — XML-based User Interface Language
• PCIE — PCI Express

• SLED — Suse Linux Enterprise Desktop
• /. — Slashdot
• ICP — Internet Cache Protocol
• MTA — Microsoft Technology Associate
• JME — Java Micro Edition
• DAC — Digital to Analog Converter-Audio
• RTL — Right-to-Left
• CHS — Cylinder Head Sector
• CAQ — Computer-Aided Quality Assurance
• JSE — Java Standard Edition
• 8B10BLF — 8 Byte 10 Byte Local Fiber
• BMP — Basic Multilingual Plane
• SSA — Static Single Assignment
• RDM — Relational Data Model
• 486 — Intel 80486 processor
• NFA — Nondeterministic Finite Automaton
• SMP — Supplementary Multilingual Plane
• MCAS — Microsoft Certified Application Specialist
• DPC — Deferred Procedure Call
• ACP — Airline Control Program
• DSN — Data Set Name
• DML — Definitive Media Library
• DAL — Database Abstraction Layer
• OSS — Open-Source Software
• FHS — Filesystem Hierarchy Standard
• OOE — Out-of-Order Execution
• WIMP — Weakly Interacting Massive Particle
• WAV — WAVEform audio format
• NUI — Natural User Interface
• MCAD — Microsoft Certified Application Developer
• 386 — Intel 80386 processor
• RDOS — Real-Time Disk Operating System
• EFM — Eight-to-Fourteen-Modulation
• J2SE — Java 2 Standard Edition
• PXI — PCI eXtensions for Instrumentation
• 3GPP — mobile broadband "3G" Partnership Project
• DSN — Database Source Name
• RSS — Rich Site Summary
• PMJ — Pardon my jumping in
• HVD — Holographic Versatile Disc (Optware)
• JUG — Java Users Group
• PPPOE — PPP over Ethernet
• XSLT — XSL Transformations
• 286 — Intel 80286 processor
• 10B-T — 10 Base-tT
• OSTG — Open Source Technology Group (formerly Open Source Development Network; OSDN)
• MDA — Model-Driven Architecture
• VFAT — Virtual Fat
• KVM — Keyboard, Video, Mouse switch
• J2ME — Java 2 Micro Edition

• MCSE — Microsoft Certified System Engineer
• BFG — BFG Technologies
• MANET — Mobile Ad-Hoc Network
• SGR — Select Graphic Rendition
• NASM — Netwide Assembler
• RTAI — Real-Time Application Interface
• SBU — Standard Build Unit
• JFET — Junction Field-Effect Transistor (jay-fett)
• GCR — Group Code Recording
• DVD-RW — Digital Versatile Disk Rewritable
• UML — User-Mode Linux
• JCE — Java Cryptography Extension
• SISD — Single Instruction Single Data
• ME — Millennium Edition
• VBS — Visual Basic Script
• WCAG — Web Content Accessibility Guidelines
• AF — Anisotropic Filtering
• CAID — Computer-Aided Industrial Design
• SSH — Secure Shell Home
• ASMP — Asymmetric Multiprocessing
• TEC — Thermoelectric Cooler
• DSSSL — Document Style Semantics and Specification Language
• SSI — Single-System Image
• BRMS — Business Rule Management System
• POD — Plain Old Document
• AT — Active Terminator
• ISCSI — Internet Small Computer Systems Interface
• TDK — Tdk Corporation
• PRAM — Parameter Random Access Memory
• JEE — Java Enterprise Edition
• 10B2 — 10 Base2
• CNR — Communications and Networking Riser
• AM — Active Monitor
• FTF — modes--face-to-face
• XAG — XML Accessibility Guidelines
• FLOSS — Free/Libre/Open Source Software
• Y2K — Year Two Thousand
• MMIO — memory mapped I/O
• PINE — Program for Internet News and E-mail
• CGA — Color Graphics Array
• MOUS — Microsoft Office User Specialist
• HLASM — High Level Assembler
• UNC — Universal Naming Convention
• SLES — SuSE Linux Enterprise Server
• GBPS — Gigabytes per second
• DDR3 — Double Data Rate Type 3
• TWAIN — Toolkit Without an Informative Name
• PKCS — Public Key Cryptography Standard
• AL — Access List
• VCD — Video CD

• FUD — Fear, Uncertainty, Doubt
• AMOLED — Active-Matrix Organic Light-Emitting Diode
• FAP — FORTRAN Assembly Program
• CD-RW — CD-Rewritable
• PMM — Personal Memory Manager
• UVC — Universal Virtual Computer
• 10B-FL — 10 Base-Fl
• DND — Drag-and-Drop
• WMA — Window Media Audio
• FOAD — F'k Off And Die
• SOPA — Stop Online Piracy Act
• 100B-T — 100BASE-T
• MBD — Model-Based Design
• EVGA — EVGA Corporation
• FC-AL — Fiber Channel - Arbitrated Loop
• NUMA — Nonuniform Memory Access
• XSLT — Extensible Stylesheet Language Transformation
• HTTPD — Hypertext Transport Protocol Daemon
• XDM — X Window Display Manager
• SPA — single page application
• 10B-FP — 10BASE-FP
• YAAF — Yet Another Application Framework
• 100BVG — 100 Basevg
• FHS — File System Hierarchy Standard
• TBPS — Terabytes per second
• BT — Bluetooth Tablet
• SBIN — superuser binary
• CJKV — Chinese, Japanese, Korean, and Vietnamese
• DVD-RAM — Digital Versatile Disk - Random Access Memory
• GCJ — GNU Compiler for Java
• 4B5BLF — 4 Byte 5 Byte Local Fiber
• CD-RW — Compact Disc Re-Writable
• SUS — Single UNIX Specification
• VLB — Vesa Local Bus
• SUSE — Software Und Systementwicklung
• WZC — Wireless Zero Configuration
• ASM — Algorithmic State Machine
• 10B-F — 10 Base-FF
• 10B-FL — 10BASE-FL
• CMMI — Capability Maturity Model Integration
• JDS — Java Desktop System
• WORE — Write Once Run Everywhere
• CAT — Computer-Aided Translation
• CTM — Close To Metal
• EFM — Eight-to-Fourteen Modulation
• CPM — Cost Per 1,000 Impressions
• FEMB — Front-End Motherboard
• PCI-X — Peripheral Component Interconnect eXtended
• AS — Access Server
• DLNA — Digital Living Network Alliance

• AAA — Authentication Authorization, Accounting
• HDV — High-Definition Video
• DVD-ROM — DVD-Read Only Memory
• INFOSEC — Information Systems Security
• RTFM — Read the fking manual
• DVD-RW — DVD-ReWritable
• TUG — TeX User's Group
• WFI — Wait for Interrupt
• PPP — Point to Point Protocol
• TTA — True Tap Audio
• CN — Canonical Name
• HD DVD — High Definition DVD
• 100B-TX — 100BASE-TX
• VFS — Virtual File System
• VDSL — Very high bit-rate Digital Subscriber Line
• JFS — Journaled File System
• HIS — Hightech Information System Limited
• RDS — Remote Data Services
• SIP — Supplementary Ideographic Plane
• CTL — Computational Tree Logic
• TUG — TeX Users Groups
• TCPIP — Transmission Control Protocol/Internet Protocol
• PCRE — Perl Compatible Regular Expressions
• ARC — Adaptive Replacement Cache
• PS/2 — Personal System /2
• WOR — Wake-On-Ring
• MSI — Message Signaled Interrupt
• SDR — Software-Defined Radio
• IPO — Inter Procedural Optimization
• WOM — Wake-On-Modem
• XP — Cross-Platform
• DSL — Domain Specific Language
• DKIM — Domain Keys Identified Mail
• DIF — Data Integrity Field
• SCPI — Standard Commands for Programmable Instrumentation
• TRON — Trace On
• REGEX — Regular Expression
• FTTP — Fiber To The Premises
• OSDN — Open Source Developer Network
• LTR — Left-to-Right
• BNC — Bayonet Neill Concelman
• K&R — Kernighan and Ritchie
• JINI — Jini Is Not Initials
• ABR — AutoBaud Rate
• XUL — XML User Interface Language
• CDR — Compact Disk Recorder
• WAFS — Wide-Area File Services
• UMPC — Ultra-Mobile Personal Computer
• SIGGRAPH — Special Interest Group On Graphics Of The Association Of Computing Machinery
• PQI — PQI Corporation

• HTC — High Tech Corporation
• XSLT — Extensible Style Sheet Language Transformation
• SCM — System Control Module
• LAMP — Linux Apache MySQL and Python
• OCZ — OCZ Technology
• RIP — Raster Image Processor
• CGT — Computational Graph Theory
• FBDIMM — Fully Buffered Dual Inline Memory Module
• OBSAI — Open Base Station Architecture Initiative
• CSV — Comma-Separated Values
• JMS — Java Message Service
• PCMCIA — Peripheral Component Microchannel Interconnect Architecture
• SIFOTCN — Sitting in front of the computer naked
• TASM — Turbo Assembler
• CISC — Complex Instruction Set Computing
• DVD-R — DVD-Recordable
• SWT — Stardard Widget Toolkit
• JAXB — Java Architecture For Xml Binding
• BIND — Berkeley Internet Name Daemon
• 10B-T — 10BASE-T
• BBP — Baseband Processor
• XSL-FO — eXtensible Stylesheet Language Formatting Objects
• JVC — JVC Company of America
• JFS — Journaling Filesystems Such
• UUN — Universal User Name
• HSF — Heatsink-Fan
• TNC — Terminal Node Controller
• MMIO — Memory-Mapped I/O
• CAQ — Computer-Aided Quality
• NIO — New I/O
• SSP — Supplementary Special-purpose Plane
• ZOI — Zero One Infinity
• IFS — Item for Sale
• LIF — Low Insertion Force
• OES — Open Enterprise Server
• SSD — Solid-state drives
• QT — Quasar Toolkit
• MIMO — Multiple-Input Multiple-Output
• EISA — Extended Industry-Standard Architecture
• SMT — Simultaneous Multithreading Technology
• DDR2 — Double Data Rate 2
• HPC — High-Performance Computing
• I18N — Internationalization
• 10B5 — 10 Base5
• CD-ROM — CD Read-Only Memory
• HSF — Heat Sink and Fan
• ARC — Advanced RISC Computing
• CSS — Cross-Site Scripting and Script
• NS — Netscape
• DVD-R — Digital Versatile Disc Recordable

• JSP — JavaServer Pages
• MS-DOS — Microsoft Dos
• LAMP — Linux Apache MySQL PHP
• LTNT — Long Time No Type
• NSPR — Netscape Portable Runtime
• PGA — Professional Graphics Array
• SE — Single-Ended, Cyclindrical Boiler
• SPIM — SPam sent over Instant Messaging
• FOSI — Formatted Output Specification Instance
• AH — Active Hub
• BSB — Backside Bus
• LM — LAN Manager
• SO-DIMM — Small Outline DIMM
• MOBO — Mother Board
• HDTV — High Definition Televsion
• SMP — Symmetric Multi-Processing
• BFT — Byzantine Fault Tolerant
• ECS — Elitegroup Computer Systems
• ROMB — Read-Out Motherboard
• RPM — RPM Package Manager
• UDMA — Ultra DMA
• UTP — Unshieled Twisted Pair
• HIG — Human Interface Guidelines
• ZPL — Z-level Programming Language
• FPS — Floating Point Systems Ltd.
• ATI — ATI Technologies Inc.
• TRS-DOS — Tandy Radio Shack - Disk Operating System
• ROFLMAO — Rolling on the floor laughing my arse off
• RTF — Rich Text Fomat
• REFAL — Recursive Functions Algorithmic Language
• CSP — Cloud Service Provider
• APS — Accunet Packet Service
• 100BVG — 100BASE-VG
• NPTL — Native POSIX Thread Library
• NURBS — Non-Uniform Rational B-Spline
• SSSE — Supplementary Streaming SIMD Extensions
• TLS — Thread-Local Storage
• NDPS — Novell Distributed Print Services
• CM — Content Management
• POST — power-on self-test Postdoc
• RLL — Run-Length Limited
• EEPROM — Electronically Erasable Programmable Read-Only Memory
• REGEXP — Regular Expression
• 10B2 — 10BASE-2
• HCI — Human Computer InteractionUsability
• MOSFET — Metal Oxide Semiconductor FET
• DGD — Dworkin's Game Driver
• JAX-RPC — Java XML for Remote Procedure Calls
• CDRW — Compact Disc - ReWritable
• FP — Function Programming

• PATA — Parallel Ata
• LAMP — Linux, Apache, Mysql, Perl
• RSA — Rivest Shamir Adleman
• BIDI — Bidirectional
• AROS — AROS Research Operating System
• IMNSHO — In my not-so-humble opinion
• 10B5 — 10BASE-5
• NGSCB — Next-Generation Secure Computing Base
• KM — Knowledge Machine
• ITL — Interval Temporal Logic
• PPC — PowerPC
• PERL — Practical Extraction and Reporting Language
• CRS — Computer Reservations System
• WUSB — Wireless Universal Serial Bus
• SBP-2 — Serial Bus Protocol 2
• CAS — Column Address Signal
• ASG — Abstract Semantic Graph
• SIGCAT — Special Interest Group on CD-ROM Applications and Technology
• RTTI — Runtime Type Information
• VG — Volume Group
• HTX — HyperTransport eXpansion
• ASR — Asynchronous Signal Routine
• FOTCL — Falling out the chair laughing
• XDMCP — X Display Manager Control Protocol
• SVD — Structured Vlsi Design
• PVG — Physical Volume Group
• CD-R — CD-Recordable
• RHL — Red Hat Linux
• TROFF — Trace Off
• EIDE — Enhanced IDE
• HT — Hyper-Threading
• FPS — Frame Per Second
• BOINC — Berkeley Open Infrastructure for Network Computing
• LUG — Linux User Group
• CPA — Cell Processor Architecture
• FDS — Fedora Directory Server
• USR — United States Robotics
• SISD — Single-instruction single-data
• DVDR — Digital Versatile Disc Recordable
• RC — Runtime Configuration (unix/linux configuration files)
• SASID — Self-scanned Amorphous Silicon Integrated Display
• JNZ — Jump non-zero
• WMV — Windows Media Video
• XNS — Xerox Network Services
• RMS — Richard Matthew Stallman
• PPPOA — PPP over ATM
• NSS — Novell Storage Service
• CIFS — Common Internet Filesystem
• GPASM — GNU PIC ASseMbler
• SDLC — System Development Lifecycle

• DCCA — Debian Common Core Alliance
• OSCON — O'Reilly Open Source Convention
• XVGA — EXtended Video Graphics Adapter
• RTEMS — Real-Time Executive for Multiprocessor Systems
• WASM — Watcom Assembler
• OFTC — Open and Free Technology Community
• TUX — Torvald's Unix
• DVDRAM — Digital Versatile Disc - Random Access Memory
• BAM — Block Availability Map
• XTF — Extended Triton Format
• HIRD — Hurd Of Interfaces Representing Depth (cf. HURD)
• EWMH — Extended Window Manager Hints
• NTFS — NT Filesystem
• PSVI — Post-Schema-Validation Infoset
• MGPT — Machine-Generated Problem Tracking
• MINIX — MIni-uNIX
• MOP — Meta-Object Protocol
• XPIDL — Cross Platform Idl
• SBOD — Spinning Beachball of Death
• WEBDAV — WWW Distributed Authoring and Versioning
• SIMON — Simulation Online
• MMX — Multi-Media Extensions
• ORM — Oject-Relational Mapping
• FL — Function Level
• GPGPU — General-Purpose Computing on Graphics Processing Units
• XPIDL — Cross-Platform IDL
• XPI — XPInstall
• FICON — Fiber Connectivity
• CDRW — Compact Disk Re-Writer
• RSS — RDF Site Summary
• ABR — Available Bitrate
• XTF — Extensible Tag Framework
• CIM — Computationally Independent Model
• DVDRW — Digital Versatile Disk - ReWritable
• NEC — NEC Corporation
• PFA — Please Find Atachment
• JMX — Java Management Extentions
• PENTIUM — penta = five
• SCA — SCSI Configured Automatically
• SDSL — Symmetric DSL
• GIMPS — Great Internet Mersenne Prime Search
• WWDC — Apple World Wide Developer Conference
• PIM — Platform Independent Model
• AM — Allied Mastercomputer
• OTB — Oh, to bed
• PSA — Professional Services Automation
• TPC — TipidPC
• BIDI — Bidirectional Display
• FUBAR — Fuked up beyond all recognition
• PLT — Power Line Telecoms

• LG — LG Electronics
• XILP — X Interactive ListProc
• WTF — What the fk
• LPC — Lars Pensjö C
• LE — Logical Extents
• SE — Single Ended
• PE — Physical Extents

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