computer hardware

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Across
  1. 2. used to be popular with gamers
  2. 5. as an alternative to a mouse
  3. 6. camera takes pictures and can usually record video too
  4. 8. Processing Unit is the part of a computer system
  5. 9. Mark Reader An OMR reads marks made by pencil
Down
  1. 1. are used to input sound
  2. 3. ink characters appear at the bottom of cheques
  3. 4. readerare represented by black vertical bars
  4. 7. video digitiser takes an image from a video camera or television