INTRODUCTION TO COMPUTERS

TYPES OF COMPUTERS

Computers come in different sizes. Some are big while others are small.

Desktop Computer

• This computer is kept on a desk. It is also known as the PC or personal computer.
• A PC has a keyboard, a mouse, a monitor and a CPU.
• A desktop computer is heavy and is difficult to carry from one place to another.

Laptop

• It is a computer which you can keep on your lap.
• It is small in size and light in weight. It can be easily carried from one place to another.
• A laptop works on a battery.

Palmtop

• It is smaller than a laptop and can fit on your palm.
• A palmtop also works on a battery.

Read More

INTRODUCTION TO COMPUTERS

COMPUTER AND MAN

Computers are one of the greatest wonders created by man. It is a wonderful machine. But, it cannot work on its own. 

•  A computer can work very fast. It can perform large number of calculations in seconds. Man cannot work as fast as a computer.
•  A computer does not get tired. It can keep working for long hours. Man gets tired if he works for long hours.
•  A computer can remember lots of information in its memory. Man can forget things.
•  A computer does not make mistakes. It gives correct results. Man can make mistakes.
• A computer does not get bored of doing the same work many times. Man gets bored if he does the same work many times.
• A computer cannot think and does not have any feelings. Man can think and has feelings.
• A computer cannot take decisions. It works according to the instructions given by man. Man can take his own decisions.
• A computer runs on electricity. Man does not need electricity for doing work.

Read More

INTRODUCTION TO COMPUTERS

Computer - A Smart Machine

 

A Computer is an electronic machine. It is used at many place.

A computer makes you do your work easily and quickly.

It works very fast. A computer has a memory like us.

A computer can be used to watch cartoons, make drawings, solve sums, and play games.

Read More