DEVICES OF A COMPUTER

1. Input Device
2. Output Devices
3. CPU(central processing unit)


INPUT DEVICES:

Input;
Input mean to enter anything. Suppose we enter carrot in a juicer and it provides us juice of carrot, so to get juice first we have to input carrot into the juice. In computer sciences, first we have to enter data in the computer so that the computer can act on it.

INPUT DEVCES:
“the devices that are used to enter data or information or to given instructions to a computer are called input devices.”

With the help of input devices of a computer we can enter data, information, and can also provide instructions to a computer.
Following are different input devices of a computer:

Keyboard
A computer is the most commonly used input device. We can enter all types of data through keyboard. The data or information that we enter in computer may consist of any one of these:
Alphabets(A, B, C, D, …………Z and a, b, c, d,………)
Numbers (0, 1, 2, 3,………..9)
Symbols(%, $, ^, &, *, #,….) etc.

Parts of a keyboard;
A keyboard has different buttons, which called keys. A keyboard is just like an electronic typewriter. There are 101 different keys of different type on keyboard. A keyboard has four types of keys which are:
 Numeric keys
 Alphanumeric keys
 Screen Navigation and editing keys
 Function keys







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