Question

In a computer, which unit is responsible for processing data and is also called the electronic brain of the computer?
1. Hard Disk
2. Central Processing Unit (CPU)
3. RAM
4. Keyboard

Answer 1

Correct Answer - Option 2 : Central Processing Unit (CPU)

The correct answer is the Central Processing Unit ( CPU ).

• CPU stands for the central processing unit.
• CPU is also known as the central processor or main processor.
• It performs arithmetic, logic, controlling, and Input / Output operations.
• CPU is a part of the hardware that is responsible to carry out functions of the computer program.
• The six main components of the CPU are -

1. Control unit
2. Arithmetic Logic Unit
3. Register
4. Cache
5. Buses
6. Clock

 

• Hard Disk is a data storage device that is used to store digital data.
• RAM stands for Random access memory that is used to store working data and machine code.
• The keyboard is a kind of typewriter consisting of buttons and keys.