Selected MCQ

Current Question
Which device is used to process data?
  • A. CPU
  • B. RAM
  • C. DCU
  • D. VDU
Correct Answer: A
Explanation:
The CPU (Central Processing Unit) processes data.
Related Question 1
Which of the following devices is used to store data permanently?
  • A. Hard Disk
  • B. Printer
  • C. Cache
  • D. RAM
Correct Answer: A
Explanation:
A hard disk is non-volatile and stores data permanently even without power.
Related Question 2
Which devices are used to back up data?
  • A. Hard disk
  • B. Floppy
  • C. CD
  • D. All of these
Correct Answer: D
Explanation:
Hard disks, floppies, and CDs are all commonly used for data backup.
Related Question 3
Which device is used to enter data into a computer?
  • A. Input
  • B. Output
  • C. Both A and B
  • D. None of these
Correct Answer: A
Explanation:
Input devices are used to enter data into the computer.
Related Question 4
Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use same data, are ____.
  • A. Mainframe computers
  • B. Supercomputers
  • C. Hybrid computers
  • D. Desktop computers
Correct Answer: A
Explanation:
Mainframe computers are designed for high-volume data processing in large organizations.
Related Question 5
Computers process data into information by working exclusively with ____.
  • A. Multimedia
  • B. Word
  • C. Numbers
  • D. Characters
Correct Answer: C
Explanation:
At the hardware level, computers work with binary numbers.