Input Devices

WHAT IS INPUT?

  • Any data or instruction entered into the computer is known as INPUT.
  • An input device helps you to communicate with the computer.
  • To enter information and issue commands, you use input devices.
  • Examples of input devices:
    • Keyboard
    • Mouse
    • Scanner
    • Microphone
    • Digital Camera and Web Camera

KEYBOARD

  • The keyboard is the most common and widely used input device.
  • It is made up of buttons called ‘keys’. The keys are arranged into sections.

MOUSE

  • A mouse is a pointing device.
  • We use mouse to control the movement of the mouse pointer  on the screen and to make selections from the screen.

SCANNER

  • A scanner is a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can use.
  • The image or text can be saved or changed on the computer.

MICROPHONE

  • A microphone allows you to record your voice to the computer.
  • It also lets you speak to other people using computers or even on the telephone.

DIGITAL CAMERA AND WEB CAMERA

  • digital camera – Camera that contains a sensor and a microprocessor rather than film; it records and stores images in digital form, which can then be viewed on a screen.
  • Web camera – Miniature digital camera used to transmit video images in real time or for videoconferencing over the Internet.

Note: Most of the pictures are taken from http://visual.merriam-webster.com

Prepared by: Nurizah Binti Ramli [10D0124]

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