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.

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
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   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
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   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
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   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
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   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
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   Answer: B. To connect all computer components

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

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