COMPUTER

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COMPUTER NETWORKS Pradip Singh Assistant Professor SAMS Varanasi

NETWORK : 

NETWORK A network is a group Of various components connected together in such a way that it is possible to share a component or to collect, distribute the information among the entire group. Ex- Telephone networks, postal networks etc.

Computer networks : 

Computer networks It means a collection of autonomous computers interconnected by a single technology, two computers are said to be interconnected if they are able to exchange information.

Types of computer networks : 

Types of computer networks

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Local area network (LAN)- These are privately-owned networks within a single building or campus of a few kilometers in size. they are widely used to connect personal computers and workstation in company offices & factories to share resources & exchange information. Metropolitan area network (MAN)- It is a network of computers and other related device which may cover near by corporate offices or a city and might be either private or public. MAN is designed to extend over an entire city.

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Wide area network (WAN)- it spans a large physical distance often a country or continent. A WAN is a geographical distributed collection of computers.

NETWORK TOPOLOGIES : 

NETWORK TOPOLOGIES

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Linear Bus

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Ring topology-

Star topology : 

Star topology

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Tree topology

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Mesh topology

USES OF COMPUTER NETWORKS : 

USES OF COMPUTER NETWORKS Resource sharing. Communication medium. High reliability.

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THANK YOU THANK YOU

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