Computer Networking

Computer network is a collection of a number of devices in the form of computers, hubs, switches, routers, or other network device that is connected with the use of certain communication media (Wagito, 2005). Devices that connect to the network referred to as nodes. This allows users to exchange documents and data, print on the same printer, and use network resources (hardware and software) ada.Sebuah computer networks usually consist of 2 or more computers and perform data sharing between computers. Information and data moves through the medium of communication. Communication media used in making computer networks include cable, telephone lines, radio waves, satellite, bluetooth or infrared. Use of this communication medium will depend on the usefulness and the size of the network.