Selected MCQ

Current Question
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 1
Which of the following does not store data permanently?
  • A. ROM
  • B. RAM
  • C. Floppy Disk
  • D. Hard Disk
Correct Answer: B
Explanation:
RAM is volatile memory and loses its content when power is removed.
Related Question 2
Which of the following stores data permanently in a Computer?
  • A. RAM
  • B. ROM
  • C. CPU
  • D. None of these
Correct Answer: B
Explanation:
ROM stores data permanently (non-volatile).
Related Question 3
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.
Related Question 4
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 5
In a compact disc, which technology is used to store data?
  • A. Magnetic strip
  • B. Laser
  • C. Microchip
  • D. Photocell
Correct Answer: B
Explanation:
Compact discs use laser technology to read and write data.