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