Multiple choice

DOS is a product of which company?

  1. Sun Microsys

  2. Sybase Inc.

  3. Microsoft Inc.

  4. AT&T Bell Labs

  5. EVGA
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

MS-DOS (Microsoft Disk Operating System) was developed and sold by Microsoft. It was the operating system for early IBM-compatible PCs before Windows became dominant.

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