COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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PC-DOS
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MS-DOS
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Either A or B
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None of the above
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Detailed explanation-1: -Microsoft kept the version number, but renamed it MS-DOS. They also licensed MS-DOS 1.10/1.14 to IBM, which, in August 1981, offered it as PC DOS 1.0 as one of three operating systems for the IBM 5150 or the IBM PC. Within a year, Microsoft licensed MS-DOS to over 70 other companies.
Detailed explanation-2: -The first IBM PC, formally known as the IBM Model 5150, was based on a 4.77 MHz Intel 8088 microprocessor and used Microsoft´s MS-DOS operating system.
Detailed explanation-3: -IBM PC compatible computers are similar to the original IBM PC, XT, and AT, all from computer giant IBM, that are able to use the same software and expansion cards. Such computers were referred to as PC clones, IBM clones or IBM PC clones.
Detailed explanation-4: -IBM OS/2 was intended to replace the older disk operating system (DOS), which, with the development of the Intel Corporation 80286 microchips in the mid-1980s, was growing increasingly obsolete. OS/2 combined a new graphical user interface (GUI) with features previously available only on mainframe computers.