CLASS IX CROSSWORD

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Across
  1. 3. Globally accepted standard for digital cellular communication.
  2. 5. These uses pulses of non-visible light to communicate between two devices such as a remote control to a television or DVD play.
  3. 6. Networking lying at a larger distance from each other , say a few hundreds of kilometres.
  4. 8. Set of rules determining how network devices respond when two devices attempt to use a data channel simultaneously.
  5. 9. Wireless technology used for connecting devices which uses radio frequencies to transmit information over short distances of generally 10 metres or less
Down
  1. 1. These cables are also called cat5 cables or patch cables.
  2. 2. Short term for third generation wireless
  3. 4. Communication used for long-distance telephonic communications , cell phone communication etc. This travel in a straight line and do not pass through obstacles well.
  4. 6. System that connects subscribers to the public switched telephonic network using wireless technology.
  5. 7. Short messaging service.