Selected MCQ

Current Question
When the name of the operating system that reads and reacts in terms of actual time ____.
  • A. Quick response system
  • B. Real-Time System
  • C. Time-sharing system
  • D. None of these
Correct Answer: B
Explanation:
Real-time operating systems respond instantly to inputs.
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
In which type of operating system are time intervals for processing and responding to inputs very small?
  • A. Distributed operating system
  • B. Network operating system
  • C. Real-time operating system
  • D. Time-sharing operating system
Correct Answer: C
Explanation:
Real-time OS guarantees very small response times.
Related Question 3
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.
Related Question 4
What was the name of the first personal computer electronic spreadsheet software package, which became a smash hit as soon as it was introduced in 1978?
  • A. WordStar
  • B. VisiCalc
  • C. Lotus 1-2-3
  • D. Excel
Correct Answer: B
Explanation:
VisiCalc (1979) was the first electronic spreadsheet for personal computers.
Related Question 5
If the displayed system time and date is wrong, you can reset it using ____.
  • A. Write
  • B. Calendar
  • C. Control Panel
  • D. None of these
Correct Answer: C
Explanation:
Date and time are adjusted through the Control Panel.