Computer Systems crossword

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Across
  1. 3. evidence
  2. 6. facebook
  3. 8. firewall
  4. 9. security
  5. 10. opposite of closed
  6. 11. computing
Down
  1. 1. blocked
  2. 2. secure
  3. 4. computer
  4. 5. database
  5. 7. recycle