INPUT Device

Computer Input Devices –

In this article, you will understand different input devices used in computer and their functions and the importance of input devices in a computer.

An input device is a device that sends data to a computer and that allows you to interact and control it.

The keyboards and mouse are the most common or most frequently used devices on a computer.

However, dozens of other devices can also be used to enter data into your computer.

1. Keyboard
2. Mouse
3. Joy Stick
4. Light pen
5. Track Ball
6. Scanner
7. Graphic Tablet
8. Microphone
9. Magnetic Ink Card Reader(MICR)
10. Optical Character Reader(OCR)
11. Bar Code Reader
12. Optical Mark Reader(OMR)

Keyboard

Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions.

Keyboards are of two sizes 84 keys or 101/102 keys, but now keyboards with 104 keys or 108 keys are also available for Windows and Internet.

The keys on the keyboard are as follows −

Se. no.	Keys & Description
1.	Typing Keys These keys include the letter keys (A-Z) and digit keys (0-9) which generally give the same layout as that of typewriters.