30 December, 2015

Computer network



 

Computer network is a system for connecting two or more devices using one of the methods of communication systems for the exchange of information, resources and data available to them such as a network printer machine or application software of any kind, as well as allow for direct communication between users. In general, the study of computer networks is considered one of the branches of science communication.
It is possible that computers in the network are very close to each other and that like to be in one room and called the network in this case a LAN & also possible that composed the network be set devices in distant places such as networks between cities or countries and even continents and is connected such networks often to the Internet or satellite (Satellite) and network called then the network petition WAN, there are also in return personal network
PAN and the devices that connect a group close to the user.

Reference: Computer Network
Access Date:
27th December, 2015


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