Question

What ais computer network, explain different types of networks?

Answer 1

A computer network is a set of computersconnected together for the purpose of sharing resources. The most common resource shared today is connection to the Internet. Other shared resources can include a printer or a file server. The Internetitself can be considered a computer network..

types of computer network
1)LAN  
2)MAN
3)WAN
4)PAN

Answer 2

Answer:

types of computer network:

    1. lan (local area network) :

a local area network is a computer network covering a small area like a home, office, or a group of buildings such as a school or college.                

a simple LAN can consist of of a personal computer and a printer or it can connect several computers together.

a Lan is limited in size, typically spanning a few hundred metres.

it is usually fast, with speeds from 10 mbps to 10 gbps.

it requires little wiring, typically a single cable connecting to each device.

its setup involves lower cost compared to man's or wan's.

lan's can be either wired or wireless.

      2. man (metropolitan area network)

a man is a network covering a large area like a campus, offices, city.

it is used for interconnection of several lan's.

a MAN is a high speed network and allows sharing of multiple resources. eg:cable tv network, dsl

    

      3.wan (wide area network)

a wan connects lan and man together.

it covers a very large area like a country or continent.

wan's may transmit data over high-speed phone lines or wireless links such as satellites.

internet is an example of wan