Q. Which of the following operating system is produced by IBM?
Solution:
OS/2 Warp 4 desktop. This version was released on 25 September 1996. OS/2 is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM(International Business Machines Corporation) software designer Ed Iacobucci.
IBM also created it’s own version of DOS called PC-DOS.
DOS (Disk Operating System) is the first operating system used with the PC. It was developed by Microsoft for the firm IBM and computer of type XT. It was developed in parallel under 3 names following the seller: PC – DOS for IBM, for Novell DR – DOS and MS-DOS in all other firms (marketed by Microsoft).
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