This page providesa basic overview of networks and key links to other related sites. A network is a collection of at least two computersthat you link together in a way that enables them to communicate with eachother.
Most networks use electrical wires of some special kind toconvey signals and data betweencomputers.
However, numerous types of networkingmedia, including wireless broadcast technologies and fiber-optic cables,can support networked connections as well. You need a physical connection that allows thecomputers to talk to each other. It is the hardware that makesthe connections possible. This is the medium between sender and receiver. In addition to hardware, networks need software .