Computer Networking

Topics: Computer network, Ethernet, Local area network Pages: 4 (1332 words) Published: March 19, 2011
Computer networking is the engineering discipline concerned with the communication between computer systems or devices. A computer network is any set of computers or devices connected to each other with the ability to exchange data. It is sometimes considered a sub-discipline of telecommunications, computer science, information technology and computer engineering since it relies heavily upon the theoretical and practical application of these scientific and engineering disciplines. There are three types of networks namely: Internet, intranet, and extranet. A computer network, often simply referred to as a network, is a collection of computers and devices connected by communications channels that facilitates communications among users and allows users to share resources with other users. Networks may be classified according to a wide variety of characteristics. A computer network allows sharing of resources and information among devices connected to the network. The Advanced Research Projects Agency (ARPA) funded the design of the Advanced Research Projects Agency Network (ARPANET) for the United States Department of Defense. It was the first operational computer network in the world. Development of the network began in 1969, based on designs developed during the 1960s. USES/PURPOSE OF COMPUTER NETWORKING

Computer networks can be used for different purposes:
For sharing hardware: In a networked environment, each computer on a network can access and use hardware on the network. For intance, the use of a printer by several personal computers. If the personal computers and the laser printer are connected to a network, each user can then access the printer on the network, as they need it.For sharing files, data, and information: Any authorized user can access data and information stored on other computers on the network. The capability of providing access to data and information on shared storage devices is an important feature of many...
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