Selected MCQ

Current Question
The first operating system was developed in ____.
  • A. 1976
  • B. 1956
  • C. 1945
  • D. None of these
Correct Answer: B
Explanation:
The first operating system was developed in 1956.
Related Question 1
In which generation of computer operating systems was it used for the first time?
  • A. 1st
  • B. 2nd
  • C. 3rd
  • D. 4th
Correct Answer: C
Explanation:
Operating systems became common in the third generation (1960s) with the advent of integrated circuits.
Related Question 2
Unix operating system was developed by ____.
  • A. Dennis Ritchie
  • B. Ken Thompson
  • C. Both A & B
  • D. None of these
Correct Answer: C
Explanation:
Unix was developed by Dennis Ritchie and Ken Thompson.
Related Question 3
The Mac operating system is developed by which company?
  • A. Google
  • B. Apple
  • C. Microsoft
  • D. None of these
Correct Answer: B
Explanation:
Apple developed the macOS operating system.
Related Question 4
When was the first electromechanical computer developed?
  • A. 1880
  • B. 1944
  • C. 1960
  • D. 1980
Correct Answer: B
Explanation:
The Harvard Mark I (1944) was the first electro-mechanical computer.
Related Question 5
When was the Microsoft Windows operating system introduced?
  • A. 1975
  • B. 1985
  • C. 1990
  • D. 2000
Correct Answer: B
Explanation:
Microsoft Windows 1.0 was introduced in 1985.