What are input and output devices ?

Input and Output devices create an interface between the user and the computer. Input device sends information to a computer and an output device receives data and then reproduces or displays the results of that processing. These devices plays a major role in a computer system. Since they both are dealing with data but in different ways.

Input Devices

Input Devices can send data or information to a computer or another device but can’t receive data or signal from some other devices. Different types of input devices are listed below :

  • Keyboard
  • Mouse
  • Microphone
  • Scanner
  • Webcam
  • Graphics Tablets
  • Trackballs
  • Barcode Reader
  • Gamepad
  • Joystick
  • Light pen
  • Electronic Whiteboard
  • OMR (Optical Mark Reader/Recognition)
  • OCR (Optical Character Reader/Recognition)
  • MICR (Magnetic Ink Character Reader)

Output Devices

An Output Device is a type of device that receives data from a computer on another device and produce output with that data. Here are some examples of output devices given :

  • Monitor
  • Projector
  • Speaker
  • Printer
  • Headphones
  • Plotter

What are Input/Output Devices?

Input/Output Device is also called as an ‘IO Device’, is any hardware used by a human operator or other systems to communicate with a computer. Since they are capable of sending data to a computer and receiving data from a computer as well. Here are some examples of IO devices given :

  • Digital Camera
  • Fax Machine
  • Floppy Diskette Drive
  • Hard Drives
  • Modem
  • Network interface card (NIC)
  • SD Card
  • Sound Card