Computer Parts and Devices

A computer is an electronic machine that processes data. Information given to the computer is called data. Computer works very fast. It saves your time and energy. It does not make mistakes.

Uses of Computer

Uses of Computer:

Computers play an important role in our everyday life. A computer can store (keep) information. Information tells us something about a person or a thing. For example, the name and price of a book are information about the book. A boy's name, age and class are information about him. We use the information stored in a computer in many different ways in different places. Let us look at some of the areas where computers are used.

Computers

Computers:

A computer is a machine. It works very fast. It has the ability to accept data, process it and give useful output. It can help us do many things.

The Keyboard

Keyboard is the most common text-based input device. Computer keyboards are similar to electronic typewriter keyboards with additional keys. The keyboard is used to enter (type in) letters, numbers and other characters. Most keyboards have between 80 and 110 keys.