OPTICAL STORAGE, INTERNET SECURITY & EMAIL

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Across
  1. 1. a copy of a file
  2. 2. something you need to connect to the Internet
  3. 5. It can infect your files and corrupt your hard drive
  4. 6. topic of the message
  5. 8. malicious software
  6. 9. to connect to the Internet you need an username and a.....
  7. 11. a floating gate transistor
  8. 12. WI-FI.....
  9. 15. ROM
  10. 19. Digital.......Disc DVD
  11. 21. a type of disc which uses a blue-violet laser
  12. 22. CD and DVD use a laser..... to read data
Down
  1. 1. a program used for displaying web pages
  2. 3. It protects a company intranet from outside attacks.
  3. 4. a type of non-volatile memory
  4. 7. used to send a message to another person via the Internet
  5. 9. TCP/IP is the standard......
  6. 10. used to download and view documents published on the Internet
  7. 13. a term that describes any fast, high-bandwidth connection
  8. 14. Internet Service ........ ISP
  9. 15. able to be rewritten many times
  10. 16. files added to the message
  11. 17. It changes data into a secret code
  12. 18. without using cables
  13. 20. a product that integrates two different technologies