2006-12-04 18:12:57 · 8 answers · asked by CHANDRA BOSE 1 in Computers & Internet ➔ Software
the brain.
2006-12-04 18:24:49 · answer #1 · answered by fzee 1 · 1⤊ 0⤋
Like wise , i dont know for sure , But DOS [Disk operating system ] was the first to be used as an OS , and eventually Microsoft build newer and better OS , From win 95 to Win Vista
2006-12-05 02:19:09 · answer #2 · answered by Shyam B 2 · 0⤊ 0⤋
Some operating systems from the 1950s include: FORTRAN Monitor System, General Motors Operating System, Input Output System, SAGE, and SOS.
SAGE (Semi-Automatic Ground Environment), designed to monitor weapons systems, was the first real time control system.
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Vasu M
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2006-12-05 05:20:34 · answer #3 · answered by V@su Maniram 3 · 0⤊ 0⤋
PC-Dos (Disc Operating System)
2006-12-05 02:27:28 · answer #4 · answered by myself_keeru 2 · 0⤊ 0⤋
That depends on what you would consider an operating system.
2006-12-05 02:18:04 · answer #5 · answered by stephen1424 4 · 0⤊ 0⤋
In case of portable computers, it is UNIX.
But if u mean from the age of mainframe comps...then it was CTSS
i.e.:Compatible Time-Sharing System ...
Check it out:
http://en.wikipedia.org/wiki/CTSS
2006-12-05 02:23:58 · answer #6 · answered by Anonymous · 0⤊ 0⤋
For Mainframes,,, it was OS/360...
For PC, it was PC-DOS
2006-12-05 02:19:13 · answer #7 · answered by Sid Has 3 · 0⤊ 0⤋
Not positive but I think it was Mosaic.
2006-12-05 02:14:34 · answer #8 · answered by micaso1971 5 · 0⤊ 0⤋