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Computer Input & Output Devices

Overview

In this tutorial, we will talk about Computer input & output devices. The input and output devices are collectively known as computer peripherals.

 

Input and Output Devices

Input Devices

An input device enables us to input data and commands into the computer. The most common computer input devices are the keyboard and mouse. Some examples of the input devices are as follows:

  • Keyboard
  • Mouse
  • Scanner
  • Trackball
  • Trackpad
  • Touch screens
  • Barcode Reader
  • Stylus

Output Devices

The main function of an output device is to present processed information to the computer user. The output device may also return processed information to another computer. Some examples of the output devices are as follows:

  • Monitor
  • Printer
  • Speakers

 

The monitor is the most common type of computer output device. It is also called the Visual Display Unit (VDU).

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