THE BAOATLA COLLEGE OF ARTS AND SCINCE

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TYPES OF COMPUTER NETWORKS

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Presentation transcript:

THE BAOATLA COLLEGE OF ARTS AND SCINCE COMPUTER NETWORKS THE BAOATLA COLLEGE OF ARTS AND SCINCE B. MOHINI DEVI

INTRODUCTION In the early days, computers were expensive and organization could afford to buy only one computer which was shared by everyone in the organization.

LOCAL AREA NETWORK (LAN) WHEN COMPUTERS WHICH ARE CONNECTED TOGETHER NORMALLY BELONG TO ONE ORGANIZATION AND ALL COMPUTERS ARE SITUATED WITIN A RADIUS OF ABOUT 1 KM, THE NETWORK IS CALLED A local Area Network.

APPLICATION OF LAN Sharing expencive peripherals such as laser printers, plotters, etc. Sharing expensive software such as those for engeneering design, drug design, statistical and numarical computations.

CLIENT SERVER COMPUTING A SERVER IS A COMPUTER CONNECTED TO A lan WHICH IS CAPABLE OF PROVIDING SOME SPECIAL SERVICE.

TECHNOLOGY USED IN LAN We have seen what are LAN and why they are important I application. They are knoen as Ethetnet connection, Token ring and star connection.

WIDE AREA NETWORK When the geographical area to be spanned by a computer network is afew 100 sq. km it is called a Metropolitan Area Network (MAN). The connection between computers in a MAN is usually through the local telephone network