Computer Questions Practice Question and Answer

Q: The resolution of a printer is measured in 1515 0

  • 1
    DPI
    Correct
    Wrong
  • 2
    Megabits
    Correct
    Wrong
  • 3
    Hertz
    Correct
    Wrong
  • 4
    Inches
    Correct
    Wrong
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Answer : 1. "DPI"
Explanation :

Answer: A) DPI Explanation: Dots per inch (DPI, or dpi) is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).

Q: A computer consists of 1768 0

  • 1
    motherboard
    Correct
    Wrong
  • 2
    hard disk drive
    Correct
    Wrong
  • 3
    central processing unit
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit (CPU), main memory, and a hard disk drive. Input devices include a keyboard, mouse, microphone, video camera, and image scanner. Output devices include a monitor, speakers, and a printer.

Q: Storage capacity of magnetic disk depends on 4317 2

  • 1
    disk pack in disk surface
    Correct
    Wrong
  • 2
    tracks per inch of surface
    Correct
    Wrong
  • 3
    bits per inch of tracks
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on  1. tracks per inch of surface 2. bits per inch of tracks 3. disk pack in disk surface   It can be shown as ::

Q: Central processing unit is combination of 3532 0

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    Arithmetic and Control unit
    Correct
    Wrong
  • 2
    Control and Output unit
    Correct
    Wrong
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    Control and Storage unit
    Correct
    Wrong
  • 4
    Arithmetic logic and input unit
    Correct
    Wrong
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Answer : 1. "Arithmetic and Control unit"
Explanation :

Answer: A) Arithmetic and Control unit Explanation:

Q: Who invented the high level language C? 1929 0

  • 1
    Dennis M. Ritchie
    Correct
    Wrong
  • 2
    Donald Kunth
    Correct
    Wrong
  • 3
    Niklaus Writh
    Correct
    Wrong
  • 4
    Seymour Papert
    Correct
    Wrong
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Answer : 1. "Dennis M. Ritchie"
Explanation :

Answer: A) Dennis M. Ritchie Explanation: C, an early systems programming language, was developed by Dennis Ritchie and Ken Thompson at Bell Labs between 1969 and 1973.

Q: The brain of any computer system is 1825 1

  • 1
    CPU
    Correct
    Wrong
  • 2
    Memory
    Correct
    Wrong
  • 3
    Control
    Correct
    Wrong
  • 4
    ALU
    Correct
    Wrong
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Answer : 1. "CPU"
Explanation :

Answer: A) CPU Explanation: Central Processing Unit (CPU) is the brain of any computer system.

Q: What cannot be performed from the windows task manager? 24932 0

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    Open a program
    Correct
    Wrong
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    Check recent CPU usage
    Correct
    Wrong
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    Delete a program from the hard drive
    Correct
    Wrong
  • 4
    View what applications are running in the background
    Correct
    Wrong
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Answer : 3. "Delete a program from the hard drive"
Explanation :

Answer: C) Delete a program from the hard drive Explanation: The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.   Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

Q: Which file format can be added to a powerpoint show? 1273 0

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    .Gif
    Correct
    Wrong
  • 2
    .Wav
    Correct
    Wrong
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    .Jpg
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation:

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