I can water ski computer puzzle

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Across
  1. 4. is on the right side of the screen
  2. 6. hard drive, CD's, S D card
  3. 10. something you control the screen with
  4. 11. something you type on
Down
  1. 1. printer, speakers, and moniter
  2. 2. Has a square in the middle of it
  3. 3. none of you can do it on one ski
  4. 5. Has an X in the middle of it
  5. 7. scanner, mouse, and keyboard
  6. 8. the actual phsycal equipment you use
  7. 9. tells a computer what to do