What is a Computer Network

Friends,

A combination of two or more computers connected through a communication system that allows exchange of information between computers is termed as Computer Network .It is classified into:
=>LAN
=>WAN
=>MAN
=>Internet

• LAN is the full form of Local Area Network.It is the connection of computers inside a building or a Lab.Connected computers in a Computer lab,Computers in a Bank or in a Hospital.This will be a private network owned by a company or an institutions etc.

• WAN is Wide Area Network.overall Connection of computers in a city/town.For example, the network of different branches of a company in a city.This is a private network

• MAN is the full form of Metropolitan Area Network.The network of computers in metropolitan city.The network of computers of different branches of a company inside a metropolitan city.This will be a private network.

• Internet is a public network.It is the collection of inter connected networks.It is a network of networks which is capable of communicating with computers on other network and sending data, files and other information back and forth.The internet connects tens of thousands of independent networks into a vast global Internet.It is probably the Largest Wide Area Network.

The Medium used for data transmission consist of Wireless(egs: Satellite communication) and using cables(Non-Wireless)like Optical cables,UTP cables etc .



RAC 007