Computer Systems Crossword

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Across
  1. 2. popular social networking site
  2. 3. proof for a point/argument
  3. 5. patent so that it is inaccessible
  4. 7. trustworthy, dependable
  5. 10. being secure, having a firewall
  6. 11. security precaution applied to a computer
  7. 12. communicating with various other people on line
Down
  1. 1. disguarding to be used as something else
  2. 4. the act of accessing another's computer from an external source
  3. 5. not using a computer in the right way
  4. 6. having security, being private
  5. 8. computer system with a dedicated function within a larger mechanical or electrical system
  6. 9. protecting data
  7. 13. able to access, not closed