Computer Fundamentals & Hardware

Ladakh Police Sub-Inspector · Computer Proficiency · 256 practice questions with answers and explanations: 178 Easy, 78 Medium, 0 Hard.

Sample questions

Sample Easy question 1

The printer speed of laser printers is commonly given in:

  1. Characters per second only
  2. Bits per minute
  3. Pages per minute (ppm)
  4. Lines per hour
Show answer

Answer: C. Impact printers are rated in cps or lpm; laser printers in ppm.

Sample Easy question 2

Which device is used to read the magnetic ink characters printed on bank cheques?

  1. Light pen
  2. Joystick
  3. MICR reader
  4. OMR
Show answer

Answer: C. MICR = Magnetic Ink Character Recognition, used by banks.

Sample Easy question 3

OMR is mostly used for:

  1. Reading bank cheques
  2. Printing photographs
  3. Playing music
  4. Checking answer sheets marked with a pencil on bubbles
Show answer

Answer: D. Optical Mark Recognition detects marks on pre-printed forms such as exam sheets.

Sample Medium question 4

Which of the following computers is the most powerful and is used for weather forecasting and scientific research?

  1. Supercomputer
  2. Laptop
  3. Palmtop
  4. Microcomputer
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Answer: A. Supercomputers do very large calculations at extreme speed.

Sample Medium question 5

The people who use and operate a computer system are called:

  1. Firmware
  2. Freeware
  3. Hardware
  4. Humanware (liveware)
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Answer: D. Humanware is the human element, along with hardware, software and firmware.

Sample Medium question 6

A compiler translates:

  1. One line at a time while running it
  2. A whole high-level program into machine code before running it
  3. Machine code into a high-level language
  4. Only assembly code into text
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Answer: B. An interpreter works line by line; a compiler translates the whole program.

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