Page 15 - Digital_Kids_3

Keyboard

A keyboard is an input device that is used to enter

data into a computer. There are many buttons
on it called keys. These keys are pressed to enter

data into the computer. The keyboard of a desktop
computer typically has 101 to 105 keys.

Mouse

A mouse is an input device that fits comfortably under the

palm of your hand. It is used to draw pictures and select
objects. The top of a mouse has two buttons and a wheel.

It is also called a pointing device.

Scanner

A scanner is an input device which is used to enter images, text, drawings, etc.

into the computer.

Joystick

A joystick is an input device that can be attached to a computer to play games.
It is used to control different movements in a game.

Microphone

A microphone is an input device that is used to record voice on a

computer. You can record any type of voice, including your own,
and save it on a computer.

Output Devices

Any hardware component that shows you the final result is called an Output
Device.

Monitor

A monitor is an output device that is used to display text,

pictures, and videos. The monitor looks like a television
screen. Whatever you type with the help of a keyboard

is displayed on the monitor. The text or videos which
you see on the monitor are called soft copy, because the

information is displayed temporarily.

15 Computer — 3