Network

A network as the term applies to information technology is a cluster of switching nodes linked by shared data links. The shared data links are data paths between the switching nodes.

A computer network allows computers to share information and messages can be sent between them. The internet is actually a world wide network. Computer networks may support a great many services including the ability to send e-mail, the ability to read documents as is done with web browsers, the ability to transfer files, and more.