Question

Q.3: Explain functions of the CPU and its parts in detail.

Answer 1

Answer:

The Central Processing Unit (CPU) of the computer is like our brain.

There are 3 main parts of the CPU.

• Control unit: It acts like a receiver and a manager

of a company. It receives inputs from user and

controls different parts to do the operations

required.

• Processing unit: It acts as an accountant of a

company and performs all the mathematical and

logical calculations.

• Memory unit: It acts as the storage room of a

company, where data is stored temporarily (RAM)

as well as for a long time (ROM).

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Answer 2

Answer:

meaning

CPU performs all types of data processing operations. It stores data, intermediate results, and instructions (program). It controls the operation of all parts of the computer.

Function of CPU

A typical CPU has a number of components. The first is the arithmetic logic unit (ALU), which performs simple arithmetic and logical operations. Second is the control unit (CU), which manages the various components of the computer.