Computer Network

what is network?

  A computer network, or simply a network, is a collection of computers and other hardware   interconnected by communication channels that allow sharing of resources and information

Type of Network ?

• A local area network (LAN) is a network that connects computers and devices in a limited geographical area such as home, school, computer laboratory, office building, or closely positioned group of buildings

• Metropolitan area network is a large computer network that usually spans a city or a large campus

• Wide area network(WAN) is a computer network that covers a large geographic area such as a city, country, or spans even intercontinental distances, using a communications channel that combines many types of media such as telephone lines, cables, and air waves. A WAN often uses transmission facilities provided by common carriers, such as telephone companies.

Read mor about Network Topology and Design