IPTV Times Table 2

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Across
  1. 2. Plastic cards the viewer can insert in the set-top box
  2. 4. An application that enables a desktop, laptop or workstation computer to function as a telephone via VOIP
  3. 7. One of the three basic modulations of adding information to a sine wave signal in which its phase is varied to impose information on it
  4. 9. Data transmission over a circuit capable of transmitting in one preassigned direction only
  5. 11. A single device capable of both sending and receiving information
  6. 13. Television programming that requires payment upfront usually on a monthly basis as a subscription fee
  7. 14. Telecommunications companies that sell internet access
  8. 16. A type of scanning that may result in a screen flicker
  9. 18. A technique for combining many signals on a single circuit by interleaving bits or bytes of data from successive channels
  10. 19. Provides broadband access network over traditional twisted copper pair and faster than ADSL
  11. 20. A connection-oriented protocol that employs the virtual circuit approach
  12. 21. TCP flow control process used to control the number of unacknowledged data segments that are sent between transmissions
  13. 24. Provides a standard method for transporting multi-protocol datagrams over point-to-point links
  14. 25. Information which travels from the user to the internet or to a central office or headend
  15. 27. A group of bits, including address, data and control elements, that are switched and transmitted together
Down
  1. 1. Short for Media Gateway Control Protocol
  2. 2. Transmission in which the data character and bits are transmitted at a fixed rate with the transmitter and receiver being synchronized
  3. 3. Application layer signaling protocol
  4. 4. The range of electromagnetic radio frequencies used in transmission of voice, data and television
  5. 5. A device that allows user to send commands to a computer that is somewhere else
  6. 6. The length of an electromagnetic waveform as measured from any point on one wave to the corresponding point on an adjacent wave
  7. 8. The device which enables anyone to compute, word process, or perform more complicated functions
  8. 10. A specific set of rules, procedures or conventions that two data devices must accept and use to be able to communicate
  9. 12. Used in IP networks to break up larger networks into smaller networks
  10. 13. A functional unit of a node through which data can enter or leave a data network
  11. 15. Unreliable and connectionless
  12. 17. Any common carrier network that provides circuit switching between public users
  13. 22. Used to manage the membership of Internet Protocol multicast groups
  14. 23. A communications channel or medium having a bandwidth sufficient to carry multiple voice/video or data signals simultaneously
  15. 26. A method of transmission in which all bits of a character are sent simultaneously over separate lines to a high speed printer or other locally attached peripheral