Multiple choice

Which of the following is a type of system software used on microcomputer?

  1. MS-DOS

  2. PC-DOS

  3. unix

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

MS-DOS, PC-DOS, and Unix are ALL system software used on microcomputers. MS-DOS was used on IBM PC compatibles, PC-DOS was IBM's version for their PCs, and Unix variants were used on workstations and microcomputers. All are valid examples of microcomputer system software.

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