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Input Devices

Devices that are used to input data and instructions into the computer or any other computational device. Which translates numbers, letters and actions that user understands into a form that computer can process.

E.g.: When using a command prompt or application software, you typically use a keyboard to enter text and a mouse to issue commands. Keyboard and mouse are the most commonly used input devices.

In this chapter, I have included following different types of input devices.

  • Keyboard
  • Mouse
  • Touch Screen
  • Trackball & Joystick
  • Mic
  • Scanners
  • Bar Code Reader
  • Smart Card Reader
  • Recognition Devices

Tip Box

Improve your typing speed

  • Download typing tutor software from the internet and install it.
  • Put your fingers at proper position.
  • Avoid looking at the keys, while typing
  • At last is to do practice regularly.


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