Selected MCQ

Current Question
What type of operating system MS-DOS is ____.
  • A. Command Line Interface
  • B. Graphical User Interface
  • C. Multitasking
  • D. Menu Driven Interface
Correct Answer: A
Explanation:
MS-DOS is a command-line interface operating system.
Related Question 1
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 2
The operating system is the most common type of Software
  • A. Communication
  • B. Application
  • C. System
  • D. None of these
Correct Answer: C
Explanation:
The operating system is the most important type of system software.
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
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 5
If in Windows Operating system, ____ is known as a File Manager.
  • A. Windows Explorer
  • B. MS Word
  • C. MS Excel
  • D. My Documents
Correct Answer: A
Explanation:
Windows Explorer is the built-in file manager.