Input and Output Devices

Lesson Objectives

  • identify the Input and Output devices used in a computer system.

Learning Outcomes

Must – be able to name the key Input and Output Devices.

Should – be able to describe the function clearly with examples what Input and Output devices do.

Could – provide advantages and limitations of each device in regard to operating a computer system.

What is an Input Device?

Input devices allow a user to enter raw data into a computer system.  The computer then processes the data and the computer into return produces an output.  For example, a sentence typed into a keyboard would be processed by the computer and displayed as an output on the computer’s display.

The 2 most common types of input devices are a Keyboard and a Mouse.

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Other types of input devices include:

  • Trackball
  • Concept Keyboard
  • Joystick
  • Joypad
  • Digital Camera
  • Graphics Tablet
  • Scanner
  • Microphone
  • Touch Screen

Task 1 – Using the Internet as a research tool, produce a set of notes in your exercise book, with an appropriate attached image of each device explaining what each device does, how it works, and how it is useful for the end user.

What is an Output Device?

An output device is responsible for producing the results of the inputted raw data and the processed response made by the computer.  The 3 most common outputs from a computer are

  • A printed document
  • A sound/audio
  • An image on a screen/display

A Monitor, a Speaker and a Printer are the 3 most common Output devices.

Other types of Output devices include:

  • Projectors
  • Motors
  • Buzzers
  • Lights
  • Mechanical Devices

Task 2 – Using the Internet as a research tool, produce a set of notes in your exercise book, with an appropriate attached image of each device explaining what each device does, how it works, and how it is useful for the end user.

Task 3 – Complete at least 5 of the Activities on Input and Output devices on the ICT Workout website.  (Username and Password are available from your teacher if you have forgotten it!) Please screenshot the results of each of the completed activities and put these into a Word document and print these and stick into your exercise book.