Selected MCQ

Current Question
Which of the following is not a system tool?
  • A. Backup
  • B. Disk defragment
  • C. Virus scanning
  • D. All of these
Correct Answer: D
Explanation:
All listed items are standard tools for system maintenance.
Related Question 1
Which of the following is not an operating system?
  • A. DOS
  • B. Linux
  • C. Windows
  • D. Oracle
Correct Answer: D
Explanation:
Oracle is a database management system, not an OS.
Related Question 2
Which of the following is a single-user operating system?
  • A. Linux
  • B. Windows 7
  • C. MS-DOS
  • D. Windows NT
Correct Answer: C
Explanation:
MS-DOS is a single-user operating system.
Related Question 3
Which one of the following is not a system software?
  • A. Entertainment
  • B. Driver
  • C. Operating system
  • D. Utility Software
Correct Answer: A
Explanation:
Entertainment software is application software, not system software.
Related Question 4
Which of the following is not an output device of a computer system?
  • A. Printer
  • B. Keyboard
  • C. CRT Screen
  • D. None of these
Correct Answer: B
Explanation:
A keyboard is an input device, not an output device.
Related Question 5
What are the components of a computer system?
  • A. Hardware
  • B. Software
  • C. Applications
  • D. Both A and B
Correct Answer: D
Explanation:
A computer system consists of both hardware and software.