COMPUTER SCIENCE AND ENGINEERING
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: -In 1981, IBM licensed and marketed its PC-DOS rebranding of MS-DOS to run on IBM PCs. MS-DOS was released for x86 computers, went through eight major versions and was ultimately retired from all active support in 2006.
Detailed explanation-2: -MS-DOS allows users to navigate, open, and otherwise manipulate files on their computer from a command line instead of a GUI like Windows. Today, MS-DOS is no longer used; however, the command shell, more commonly known as the Windows command line, is still used by many users.
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: -The system lacked the multitasking, multiuser capabilities of the UNIX operating system; and MS-DOS was limited to a command line interface, in contrast to the user-friendly graphical user interface (GUI) of the early Macintosh computer from Apple Inc.