Question

What are the function of cpu ?How does the cpu perform them?

Answer 1

Functions of CPU in computer:

Controlling all other parts of the machine and sending timing signals.

Transferring data between memory and I/O devices

Fetching data and instructions from memory

Decoding instruction

Performing arithmetical and logical operations

Executing programs stored in memory

Performing communication among the I/O devices etc.

CPU or central processing unit in computer is an electronic circuitry that carries out the instruction given by a computer program. CPU in computer execute instruction by performing basic arithmetic, logical, control and I/O operations as required per instruction. CPU in computer is considered to be the brain of the computer. The speed and efficiency of a computer mostly depends on it's CPU.

Answer 2

The Major Functions Of The C.P.U:

• First let us understand the definition of CPU it is the central processing unit of the computer it controls all the main activities of the computer.

• It controls all the sequential data which needs to be executed in the computer.

• It interprets the instructions of the computer. Like for example when you tell it to shut down it will do it.

• It checks and regulates the control processor timings of the computer.

• It receives different signals from other computers and also send signals to other computers.

• It is also said to be the brain of the computer.

• Due to this reason it does a variety of tasks that varies from decoding data, fetching data, execution and storing results.

• It performs these functions because it is programmed in a way in order to perform all these different functions.