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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 A computernetworkis a collection of computers and devicesconnectedbycommunicationchannels.
ADVANTAGE OF COMPUTER NETWORK Share information: Network allowsauthorizeduserto share data and informationstoredonothercomputers of thenetwork.
ADVANTAGE OF COMPUTER NETWORK Share hardware and software: Computersconnectedto a network can share equipmentlikeprinters,modems etc. Theyalso can share software.Thishelpstoavoidhighduplicationcosts
ADVANTAGE OF COMPUTER NETWORK Share internet: Network can share a single internet conection.Thisfacilitiescomunication.Pleople can communicateefficentlyandeasilyvia e-mail, instntmessage,chstrooms, and videoconferencing.
TYPES OF NETWORKS There are 3 maintypes of networks • LAN • MAN • WAN
TYPES OF NETWORKS Local areanetwork: A computernetworkthatphysically links twoor more computerscomputerswithin a geofraphiclimitedareasuch as a building.Thelinkedcomputers are calledworkstations.
TYPES OF NETWORKS Metropolitanareanetwork: A metropolitanareanetworkcoverslargergeographic areas , such as cities.
TYPES OF NETWORKS Wideareanetwork: Wideareanetworkconnectlargergeographicareas, such as countries.