Basic Computer Organization Quiz - CBSE Class 9 ICT

Free practice quiz: Basic Computer Organization (CBSE Class 9 ICT). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 9 ICT practice quiz has 19 multiple-choice questions on Basic Computer Organization, and 19 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 central processing unit (CPU) often referred to as?

   1. The brain of the computer
   2. The memory of the computer
   3. The storage of the computer
   4. The mouse of the computer
   Show answer

   Answer: A. The brain of the computer

   The CPU is often referred to as the brain of the computer because it processes instructions and controls the operation of the computer.

2. What do we call the main circuit board of a computer?

   1. Motherboard
   2. Keyboard
   3. RAM
   4. Processor
   Show answer

   Answer: A. Motherboard

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

3. What does ALU stand for in a computer system?

   1. Arithmetic Logic Unit
   2. Algorithm Logic Unit
   3. Application Load Unit
   4. Advanced Learning Unit
   Show answer

   Answer: A. Arithmetic Logic Unit

   ALU stands for Arithmetic Logic Unit, which performs arithmetic and logical operations in the CPU.

4. Which memory type is non-volatile and used for storing firmware?

   1. RAM
   2. ROM
   3. Cache
   4. Registers
   Show answer

   Answer: B. ROM

   ROM is non-volatile memory used for storing firmware that doesn't change frequently.

5. What is the primary purpose of the motherboard?

   1. To execute programs
   2. To connect all computer components
   3. To store data
   4. To manage power supply
   Show answer

   Answer: B. To connect all computer components

   The motherboard acts as a backbone by connecting all computer components and enabling communication between them.

More questions in this quiz

Answers and explanations are in the full quiz.

1. Which part of the computer is responsible for executing instructions?
2. Which component is responsible for permanent data storage in a computer?
3. Which of these is not a function of the CPU?
4. Which part of the computer is essential for temporary storage of data and instructions?
5. Which memory is faster but volatile, often used for temporary data storage?
6. Which device allows a computer to connect to a network?
7. What part of a computer system is responsible for processing graphics?
8. What kind of device is used to input data into a computer?
9. What does the CU in a CPU stand for?
10. Which technology is used to load the operating system when a computer is powered on?
11. Which bus carries data between the CPU and memory?
12. Which component is considered the heart of the computer?
13. How many primary functions does the CPU perform?
14. Which part of the CPU manages the execution of instructions by coordinating with other hardware?

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