Central Processing Unit (CPU)

Central Processing Unit (CPU) is called a processing device. It is also called the microprocessor. CPU is the brain of the computer. It is the main hardware of a computer and all the processing is done inside.

Speed of the computer depends on its microprocessor. Like Dual Core, Pentium IV. They are mostly used these days. The Central Processing Unit divided into three parts. They are;

1. Arithmetic and Logical Unit (ALU)
2. Register
3. Control unit (CU)

Arithmetic and Logical Unit handle all the mathematical calculations and logical operations of a computer. Like adding and multiplications. Registers are small memory used to store intermediate data, results and instructions while processing. The Control Unit controls the movements of data in the computer system.

Created By:

Sahasmi Aksha

Grade – 6

Hilburn International College – Avissawella