What is CPU

What is CPU? Write the functions of CPU.

Answer: The CPU is the heart and brain of a computer. It receives data input, executes instructions, and processes information. It communicates with input/output (I/O) devices, which send and receive data to and from the CPU. Additionally, the CPU has an internal bus for communication with the internal cache memory, called the backside bus. The main bus for data transfer to and from the CPU, memory, chipset, and AGP socket is called the front-side bus.

Function of CPU:      a. Performs all calculation

b. Takes all decision

c. Controls all units of the computer

d. Maintain directs different parts of the computer functions.

e. Activating and controlling the operations.