A computer network is a group of devices connected with each other through a transmission medium such as wires, cables, etc. These devices can be computers, printers, scanners, Fax machines, etc.

The purpose of having a computer network is to send and receive data stored in other devices over the network. These devices are often referred to as nodes.

Computer Network is a group of computers connected with each other through wires, optical fibers or optical links so that various devices can interact with each other through a network.
The aim of the computer network is the sharing of resources among various devices.
In the case of computer network technology, there are several types of networks that vary from simple to complex level.

Computer networking is used in the server-client model. A server is a central computer used to store the information and maintained by the system administrator. Clients are the machines used to access the information stored in the server remotely.

A computer network behaves as a communication medium among the users. For example, a company contains more than one computer has an email system that the employees use for daily communication.

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