Selected MCQ

Current Question
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 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
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 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 4
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 5
Ctrl + Backspace is used in Microsoft Word to ____.
  • A. Delete the single letter just before the cursor
  • B. Delete the single letter just after the cursor
  • C. Delete the word just before the cursor
  • D. Delete the word just after the cursor
Correct Answer: C
Explanation:
Ctrl + Backspace deletes the word to the left of the cursor.