Parts of a computer

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Across
  1. 3. small device use to point to and select items on your computer screen
  2. 6. the physical parts which can be seen and touch
  3. 7. displays information in visual forms using text and graphics
  4. 8. use to play sounds
  5. 9. the central processing unit acts as
Down
  1. 1. used mainly for typing text into the computer
  2. 2. a system of many parts working together
  3. 4. refers to the instructions that tell the hardware what to do
  4. 5. transfers data from a computer onto paper
  5. 8. function of the wheel between the two buttons