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MCQ Practice

Computer & IT MCQs

The best technology to save data on a disk is ____.

  • A. Tapes
  • B. Laser
  • C. Punch cards
  • D. None of these
Explanation:
Laser technology (used in CDs/DVDs) provides reliable data storage.

A floppy disk contains ____.

  • A. Circular tracks only
  • B. Sectors only
  • C. Both circular tracks and sectors
  • D. All of the above
Explanation:
Floppy disks are organized into circular tracks and sectors.

Fastest memory is ____.

  • A. Cache
  • B. CPU
  • C. RAM
  • D. ROM
Explanation:
Cache memory is the fastest memory in the computer hierarchy.

Cache memory acts between:

  • A. CPU and Hard Disk
  • B. Hard Disk and RAM
  • C. CPU and RAM
  • D. All of these
Explanation:
Cache sits between the CPU and the main RAM for faster access.

Which acts as a buffer between the CPU and the main memory?

  • A. Cache memory
  • B. Butter stock
  • C. RAM
  • D. ROM
Explanation:
Cache memory acts as a high-speed buffer between the CPU and RAM.

PROMs are programmed by plugging them in to ____.

  • A. Chip Kits
  • B. ROM burners
  • C. PROM Programmer
  • D. PROM Reader
Explanation:
PROMs are programmed using a PROM programmer device.

Programs stored in ROM are called ____.

  • A. Fireware
  • B. Form ware
  • C. From ware
  • D. Firmware
Explanation:
Firmware is software permanently stored in ROM.

ROM stores dat a ____.

  • A. Permanently
  • B. Partially
  • C. Temporarily
  • D. Fully
Explanation:
ROM data cannot be easily changed and is permanent.

Which of the following stores data permanently in a Computer?

  • A. RAM
  • B. ROM
  • C. CPU
  • D. None of these
Explanation:
ROM stores data permanently (non-volatile).

Which of the following is used to start a computer?

  • A. RAM
  • B. ROM
  • C. WAN
  • D. None of these
Explanation:
ROM contains the BIOS/UEFI that starts the computer.