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Across
  1. 3. stores short term data that a PC requires to operate.
  2. 4. what kind of class do schools have?
  3. 6. free software
  4. 8. saves data and offers it to clients
  5. 9. the main chip on the computer that makes everything go.
  6. 10. receives data via the network
  7. 11. server that attributes names to network addresses
  8. 12. the physical elements of a computer
  9. 13. the most widely used operating system for personal computers from Microsoft
  10. 17. refers to moving data between different locations.
  11. 18. paid software
Down
  1. 1. controls data flow access among network entities
  2. 2. is the ability to control how and to what extent data is used and disseminated to others
  3. 5. an old technology
  4. 7. png,pfd, jpg are ...
  5. 8. to quit all applications and turn off the computer.
  6. 14. what is the smallest unit of memory storage in a computer?
  7. 15. pays to access services
  8. 16. refers to protecting the completeness and accuracy of data.
  9. 18. what does patches fix?