Computer network

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Across
  1. 3. a worldwide system of computer networks
  2. 4. the effective center of an activity, region, or network
  3. 7. interconnected computing devices that can exchange data and share resources with each other
  4. 8. a device that forwards data packets to the appropriate parts of a computer network
  5. 9. exchange of messages between users
Down
  1. 1. the transmission capacity of a computer network or other telecommunication system
  2. 2. a set of rules governing the exchange or transmission of data between devices.
  3. 3. unique string of characters that identifies each computer using the Internet Protocol to communicate over a network.
  4. 5. a computer or computer program which manages access to a centralized resource or service in a network
  5. 6. network wireless local area networks, wireless metropolitan area networks, wireless personal area networks and wireless wide area networks