Multiple choice technology operating systems

Which company originally developed UNIX?

  1. NASA

  2. AT&T

  3. IBM

  4. Apple
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

UNIX was originally developed at AT&T's Bell Labs by Ken Thompson, Dennis Ritchie, and others in the late 1960s/early 1970s. It was not developed by NASA, IBM, or Apple - though Apple later created BSD-based systems (macOS).

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