Network

A computer network or data network is a  that allows  to exchange . In computer networks, networked computing devices pass data to each other along data connections. The connections between nodes are established using either  or . The best-known computer network is the Internet.

Network computer devices that originate, route and terminate the data are called . Nodes can include s such as  and, as well as . Two devices are said to be networked when a device is able to exchange information with another device.

Computer networks support  such as access to the, shared use of , , and fax machines, and use of email and  applications. Computer networks differ in the physical media used to transmit their signals, the s to organize network traffic, the network's size,  and organizational intent.