INPUT DEVICE KYA HAI. COMPUTER INPUT DEVICE NAME

FACT WORLD 3/01/2022

Input devices

Input devise – Devise used to instruct computer to perform any task is called input devise .

Ex – (1) key board

(2) mouse

(3)scanner

(4)joy stick

(5)touch pad

(6)voice synthesizer

(7)digital camera

1. Keyboard :

This is the primary input device of the computer.

The layout of keybord is also called QWERTY.

• Generally there are 104 buttons in a keybord.

Now technology has been changed and there are several kinds of keyboards are available with different features.

That kind of keyboard is also called Multimedia keyboard.

2. Mouse :

Now mouse is also the most improtant input devices of the computer. It is sometimes called pointing device .

Throught are vast changes in the technology of mouse.

There are several kinds of mouse are available its market.

Ex :

• Optical Mouse

• Scroll Mouse

• Zoom Mouse

• Wireless Mouse

 Radio wave mouse

 Blue tooth mouse

 Infrared mous

3. Scanner

This is also called direct input device.

Through this input device we can scan the picture and store the picture into computer.

There are several kinds of scanners are available in market.

1. OCR (Optical Character Recorder): It is used to scan text only from and document or page.

2. OMR (Optical Mark Reader):This device is used to real only market character by black or any dark pen. This device is used to check answer sheets of different examination.

3. MICR (Magnetic ink Character Reader): This device is used to read any text written by magnetic ink. In bank this used to read Draft number.

4. Joystick

This device is generally used to play video games. Now due to increasing development is the field of gamming. There are several kinds of joystick are available in market . This is mainly used to play game on computer.