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.

This CBSE Class 4 ICT practice quiz has 20 multiple-choice questions on Parts of a Computer, and 20 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz 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
   Show answer

   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
   Show answer

   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
   Show answer

   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
   Show answer

   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
   Show answer

   Answer: C. Using lasers

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

More questions in this quiz

Answers and explanations are in the full quiz.

1. Which part of the computer is known as the brain?
2. What does RAM stand for?
3. Which of the following is NOT an output device?
4. Which component is responsible for rendering graphics?
5. What does an operating system do?
6. Which of the following is an example of secondary storage?
7. Which part of the computer can be considered volatile memory?
8. What is the role of a power supply unit?
9. Which of the following is true about solid-state drives (SSDs)?
10. How does a scanner work?
11. Which component is crucial for internet connectivity?
12. In what way does the cooling system protect a computer?
13. What is the risk of not having antivirus software installed?
14. What is the primary function of a network card?
15. How can one improve a computer's performance? Provide an example.

Browse all Introduction to Computers quizzes

More to play