definitions words

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Across
  1. 2. system is a system that regularly exchanges feedback with its external environment
  2. 7. another method for to say "move" in the network
  3. 8. is a series of interactions between two communication end points that occur during the span of a single connection
  4. 10. networked device connected with
  5. 11. among nations
  6. 14. internet server, who control this
  7. 15. proof thats goods were received
  8. 17. another name for broadcast
  9. 19. linked computers
  10. 21. in computing: rules,code
  11. 22. iso/osi is divided into 7....
Down
  1. 1. another name for encoding
  2. 3. a computer program used for a particular type of job or problem
  3. 4. another method for say "interaction" between two computer
  4. 5. method to connect
  5. 6. another name for exposition
  6. 8. person who sends mail
  7. 9. another name for provider
  8. 12. used to call the level on tcp/ip or iso/osi
  9. 13. telephone handset "device,pick up signal"
  10. 16. name of infomation in the server
  11. 18. level of quality
  12. 20. block of data