Selected MCQ

Current Question
What is the command used to erase all the data on the hard drive (Storage)?
  • A. Delete
  • B. Remove
  • C. Erase
  • D. Format
Correct Answer: D
Explanation:
The Format command erases all data on a storage device.
Related Question 1
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 2
Which command is used to add data in Excel?
  • A. ADD
  • B. COUNT
  • C. SUM
  • D. None of these
Correct Answer: C
Explanation:
The SUM function is the standard command to add numerical data.
Related Question 3
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 4
A wireless technology built into electronic gadgets used for exchanging data over short distances is ____.
  • A. Bluetooth
  • B. Wi-Fi
  • C. Modem
  • D. USB
Correct Answer: A
Explanation:
Bluetooth is designed for short-range wireless communication.
Related Question 5
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.