Communication System Crosword

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Across
  1. 3. Transmission of data similtaneously using seperate channels
  2. 8. Combination of hardware and software to link two similar networks
  3. 10. Topology with a central channel and nodes
  4. 12. Terminal type containing a microprocessor
  5. 13. Transmission of data in both directions but seperately
  6. 16. Network type overa restricted area
  7. 19. Opposite to cold
  8. 20. Topology containing a central hub
  9. 22. The sending of a signal from one place to another
  10. 24. Transmission of data one after the other
  11. 25. Frozen water
  12. 26. Name of the user of the network
  13. 29. Technique used to reduce the number of bits transmitted
  14. 31. Total of bits is either odd or even
  15. 33. Physical arrangement of devices on a network
  16. 34. To _______ and to hold
  17. 35. Phone connection with higher bandwidth
  18. 37. A server used to cache data and control internet access by blocking access to inappropriate sites
  19. 39. Network type over an extensive area
  20. 40. Small division of a message for transmission
Down
  1. 1. Device which enables transmission of data between computers
  2. 2. Maximum number of data symbols to be transmitted per second
  3. 4. Serial transmission sending one byte at a time
  4. 5. Graphic User Interface
  5. 6. A type of repeater with ports in a network
  6. 7. Method to avoid collisions on an ethernet network
  7. 9. Needless repition of data
  8. 11. Cable type of one copper wire and covering
  9. 14. Cable type using light
  10. 15. To rent a phone line
  11. 17. Combination of hardware and software to link networks
  12. 18. Transmission of data in one direction only
  13. 21. Whole number before 10
  14. 23. Transmission with all data sent at the same baud rate
  15. 27. Set of rules governing the transfer of data between devices
  16. 28. Server type that stores the data for users
  17. 29. First C of CRC error-checking mode
  18. 30. High frequency radio signal for data transmission
  19. 32. Opposite of digital
  20. 35. Internet Service Provider
  21. 36. A naming word
  22. 38. Tone heard when phone handset lifted