output devices - Mark

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Across
  1. 3. coded commands instruct a mechanical device and electrical system to perform a task
  2. 5. electrical signals travel through the wire to produce sound
  3. 6. the more resolution there is the better an image looks
  4. 8. can be used as a lie detector an heart monitor and a brain wave monitor
  5. 9. a light beam creates an image on a drum that attracts the toner which is then transferred to the paper
Down
  1. 1. displays white text on a black background
  2. 2. uses a light source to darken plasma to form an image
  3. 4. use a large sheet of paper to print maps and other large posters
  4. 7. it can print but its extremely slow
  5. 9. a device that converts electrical power to a light that can make a sharp colour