input/output devices-ICEBREAKER

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Across
  1. 2. smallest unit on a display screen
  2. 5. used to input sound into the computer
  3. 7. used to scan documents
  4. 8. a mouse on a portable computer
  5. 9. it is used to read codes of products
Down
  1. 1. a device to print documents
  2. 2. a deice to show presentations on big screen
  3. 3. a device to play video games
  4. 4. an output device to hear sound
  5. 6. it is like a mouse and has a ball on top