Introduction to Computer Networks

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Computer Network : Basic Introduction of Computer Network
A computer network or data network is a telecommunications network that allows computers to exchange data.
The connections between networked computing devices are established using either cable media or wireless media.
The Best-known computer network is the Internet.

Network devices that originate, route and terminate the data are called network nodes.
Nodes can include hosts such as servers and personal computers, as well as networking hardware.
Two devices are said to be networked when a process in one device is able to exchange information with a process in another device.

Computer networks support applications such as access to the World Wide Web, shared use of application and storage servers, printers, and fax machines, and use of email and instant messaging applications.