Multiple choice general knowledge science & technology

Which was the first operating system used on personal computers?

  1. BASIC

  2. COBOL

  3. FORTRAN

  4. CP/M
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CP/M (Control Program/Microcomputers), created by Gary Kildall in 1974, was the first operating system to gain widespread use on personal computers, particularly on early machines running on Intel 8080 and Zilog Z80 processors. It served as the foundation for many early PC operating systems and influenced the design of MS-DOS.

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