NETWORK

Network from system of data communications to involve one or more system computer which to connect with line transmission of communication to form one system. With network, computer which one can use the data which to get on other computer. Network to form the way of very good for integrating system information and to channel the information current from one area to other area. To form a system network, required a special software communication, that is protocol.

Component from a network is node and link. Node is dot which can accept the data input into network or yield the output information. Node can be in the form of a printer or appliance print other, or a PC or micro computer until big mainframe computer.

Link is channel or transmission line or carrier for the current of information or data of among node. Link can be in the form of the cable , microwave system, laser of system or satellite system. Network which is each located node in location which far one with other and use the link in the form of transmission line of long distance that is WAN (Wide of Area Network). While network which is each separate node in distance which local and use the link in the form of transmission line cable that is LAN ( Local Area Network).