Input devices 2 lessons

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Input devices 2 lessons

  1. 1. Input devices
  2. 2. • To understand the hardware components that make up networked computer systems. • To be able to explain how they interact, and how they affect cost and performance.
  3. 3. Watch this clip - think about inputs and outputs. What's wrong with the cartoon http://www.youtube.com/watch?v=Gc217236mF0
  4. 4. • An input device captures data and sends it to a computer system. • Input devices convert physical movement, such as key pressing, or environmental data, such as temperature, sound or light into electrical signals. • There are two types of input device: manual and automatic
  5. 5. • A manual input device requires a human hand to control it…
  6. 6. • An automatic input device inputs data without the need for human intervention (once the device has been set up), e.g. MICR, OMR, barcode reader, webcam, microphone, sensor.
  7. 7. • Create a PowerPoint presentation, with separate slides for different manual and automatic input devices Explain how the device is used.
  8. 8. • Open www.wordle.net Try to include as many different manual and automatic input devices as you can in your word cloud.
  9. 9. In pairs you have 2 minutes to share one thing you have learnt in today’s lesson and how it will help you. That’s 1 minute each to talk about what you have learnt in todays lesson.

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