Selected MCQ

Current Question
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 1
A device through which we enter data into a computer known as ____.
  • A. Storage Device
  • B. Internal Device
  • C. Processing Device
  • D. Input Device
Correct Answer: D
Explanation:
Keyboards, mice, etc., are input devices.
Related Question 2
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 3
A network which is used for sharing data, software and hardware among several users owning microcomputers is called ____.
  • A. WAN
  • B. MAN
  • C. LAN
  • D. VAN
Correct Answer: C
Explanation:
LAN (Local Area Network) is used for local sharing.
Related Question 4
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 5
Which of the following methods cannot be used to enter data in an MS Excel cell?
  • A. Pressing the Esc key
  • B. Clicking the formula bar
  • C. Pressing an arrow key
  • D. Pressing the Tab key
Correct Answer: A
Explanation:
Esc cancels editing; the other keys confirm or move after entry.