Input and Output Devices

Question 1

Name 4 input devices 4 output devices and two for special needs

Answer 1

Input : keyboard , mouse , touch screen, microphone , camera, RFID reader , barcode scanner etc

Output: monitor, printer , actuator , speakers , plotter

Disabilities : Braille keyboard, foot mouse , puff-suck switch , eye typer

Question 2

What is the need for input and output devices

Answer 2

Input devices are used for data entry

Output devices are used to display the result of the input