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COMPUTER NETWORK

COMPUTER NETWORK. A computer network is a collection of computers and devices connected by communication channels. ADVANTAGE OF COMPUTER NETWORK. Share information : Network allows authorized user to share data and information stored on other computers of the network.

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COMPUTER NETWORK

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  1. COMPUTER NETWORK A computernetworkis a collection of computers and devicesconnectedbycommunicationchannels.

  2. ADVANTAGE OF COMPUTER NETWORK Share information: Network allowsauthorizeduserto share data and informationstoredonothercomputers of thenetwork.

  3. ADVANTAGE OF COMPUTER NETWORK Share hardware and software: Computersconnectedto a network can share equipmentlikeprinters,modems etc. Theyalso can share software.Thishelpstoavoidhighduplicationcosts

  4. ADVANTAGE OF COMPUTER NETWORK Share internet: Network can share a single internet conection.Thisfacilitiescomunication.Pleople can communicateefficentlyandeasilyvia e-mail, instntmessage,chstrooms, and videoconferencing.

  5. TYPES OF NETWORKS There are 3 maintypes of networks • LAN • MAN • WAN

  6. TYPES OF NETWORKS Local areanetwork: A computernetworkthatphysically links twoor more computerscomputerswithin a geofraphiclimitedareasuch as a building.Thelinkedcomputers are calledworkstations.

  7. TYPES OF NETWORKS Metropolitanareanetwork: A metropolitanareanetworkcoverslargergeographic areas , such as cities.

  8. TYPES OF NETWORKS Wideareanetwork: Wideareanetworkconnectlargergeographicareas, such as countries.

  9. BIBLIOGRAPHY • TACHNOLOGY ‘S NOTEBOOK • http://images.google.es/imgres?imgurl=http://gcse-ict.net/wp-content/uploads/2009/05/lan.jpg&imgrefurl=http://gcse-ict.net • http://images.google.es/imgres?imgurl=http://www.cisco.com/warp/public/cc/so/neso/vpn/unvpnst/atomf_an/atomf_a0.gif&imgrefurl=http://rosilaabdullah.blogspot.com/2009/10/metropolitan-area-network-man.html&usg

  10. BIBLIOGRAPHY • http://images.google.es/imgres?imgurl=http://www.viadex.com/img/WAN2.jpg&imgrefurl=http://rosilaabdullah.blogspot.com/2009/10/wide-area-network-wan.html

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