Le@rn Computer Journey

What is Computer??

Computer is an electronic device which does calculation accurately and fastly than an human being.

you can define a computer as-

C - Commonly

O - Operated

M - Machine

P - Particularly

U - Used For

T - Technology

E - Education And

R - Research

The block diagram can be defined as -

This unit consist as a hardware device. Data capable to take the input from hardware.

This unit consist of those hardware which are capable to perform to perform the arithmetical and logical operation in computer.

The major component of this unit is C.P.U ( Central Processing Unit )

CPU is also known as Brain of the computer .

It consist three main sub components-

1- ALU (Arithmetical & logic unit )

2- CU (Control unit)

3- Register

It consist of storage to save and retrieve the data in computer.

This storage is further divided into two parts-

1- Primary storage

2- Secondary storage