Parts of a Computer Quiz - CBSE Class 4 ICT

Free practice quiz: Parts of a Computer (CBSE Class 4 ICT). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the main function of the CPU in a computer?

   1. To store data
   2. To process data
   3. To display data
   4. To connect to the internet
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   Answer: B. To process data

   The CPU, or Central Processing Unit, is responsible for processing data and executing instructions in a computer.

2. What is the purpose of the hard drive?

   1. To process data
   2. To store information
   3. To display graphics
   4. To connect to the internet
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   Answer: B. To store information

   The hard drive is used for long-term storage of data and programs in a computer.

3. What is the function of the motherboard?

   1. To connect all components
   2. To store programs
   3. To display images
   4. To cool the system
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   Answer: A. To connect all components

   The motherboard is the main circuit board that connects all components of the computer together.

4. What is the purpose of input devices?

   1. To send data to the computer
   2. To display data from the computer
   3. To provide power to the computer
   4. To cool the system
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   Answer: A. To send data to the computer

   Input devices are used to provide data and control signals to a computer.

5. How does an optical drive read data?

   1. Using electrical signals
   2. Using magnetic fields
   3. Using lasers
   4. Using radio waves
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   Answer: C. Using lasers

   An optical drive reads data from discs by using lasers to interpret the information encoded on the surface.

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