Computer crossword puzzle

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Across
  1. 5. Any device that allows data to be entered into the computer
  2. 6. Scanning devices read text or graphics from paper and change it into a format that the
  3. 7. to store system programs that need to be available to the computer at all times
  4. 9. (? )output is transient and lost when the computer is shut off.
  5. 11. what are computer's main memory?
  6. 12. imagesiputdevices
  7. 15. audio input devices
  8. 16. It is
Down
  1. 1. A computer requires an operating system (?) in order to function.
  2. 2. The system unit is where the processing of data is done
  3. 3. can use.
  4. 4. Pointing devices are used to move a pointer around on the screen in order to execute
  5. 8. (?) output is permanent and can be stored such as a printer or a plotter
  6. 10. a class of programs used to perform tasks other than run the
  7. 13. Today, these
  8. 14. for the most part, are connected through USB (Universal Serial Bus) ports