Data Communication and Networking

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Across
  1. 4. Relatively expensive, they enable large volumes of digital data to be transmitted extremely fast.
  2. 5. The physical path by which a message travels from sender to receiver (twisted-pairs, coaxial, fiber-optic cables and radio waves).
  3. 6. Offer organization and users many benefits, such as portability, flexibility, increase productivity and lower installation cost.
  4. 7. An extension to hypertext providing multimedia facilities, such as those handling sound and video.
  5. 8. The device that sends the data message (computer, mobile phone, video camera and so on).
  6. 9. A group of two or more computers linked together so that they can share resources (hardware, software and data) and can communicate with one another.
Down
  1. 1. The device that receives the message.
  2. 2. The exchange of data between two devices via some form of transmission medium such as a wire cable.
  3. 3. The computer on which the document is located.
  4. 6. A system of Internet servers that support specially formatted documents.