What does PTOS stand for?
PTOS stands for "Paper-Tape Operating System"
How to abbreviate "Paper-Tape Operating System"?
"Paper-Tape Operating System" can be abbreviated as PTOS
What is the meaning of PTOS abbreviation?
The meaning of PTOS abbreviation is "Paper-Tape Operating System"
What does PTOS mean?
PTOS as abbreviation means "Paper-Tape Operating System"
