Question

Functions of CPU
Explain about functions of CPU.

Answer 1

Functions of CPU (Central Processing Unit) :

1. Take instruction or data and tell the computer what to do.

2. Perform arithmetic and logic operation (calculation) and manipulation.

3. Holds data and instructions which are in currently use.

Answer 2

Answer:

Explanation:

The CPU performs following four steps in executing an instruction :-

• The control unit gets the instruction from memory.
• The control unit decides what the instructions means and directs the necessary data to be moved from the memory to the arithmetic logic unit.
• The arithmetic logic unit performs the actual operation of data.
• The result of the operation is stored in the memory or a resistor.