Question

name four input devices and write the type of input which can be entered through them into the computer system

Answer 1

Answer:

Light Pen,

Track Ball,

Scanner,

Digitizer

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Answer 2

Answer:

Input Devices

The Input device enables the user to send data, information, or control signals to a computer. The Central Processing Unit (CPU) of a computer receives the input and processes it to produce the output.

Some of the popular input devices are:

• Keyboard

• Mouse

• Scanner

• Joystick

• Light Pen

• Digitizer

• Microphone

• Magnetic Ink Character Recognition (MICR)

• Optical Character Reader (OCR)

• Digital Camera

• Paddle

• Steering Wheel

• Gesture recognition devices

• Light Gun

• TouchPad

• Remote

• Touch screen

• VR

• Webcam

• Biometric Devices

Keyboard: Most famous and used input device which is used to feed different types of data and instructions to the computer.

Mouse: A small palm-held input device used to move the cursor on the screen.

Scanner: Input device which is used to scan documents and feed it to the computer.

Microphone: Input device which is used to feed audio to the computer. It is used for recording sounds and also for communicating.