Networking Fundamental
Network Definition: A network is a set of devices often referred to as nodes connected by media links. A node can be a computer, printer or any other device capable of sending or receiving data generated by other nodes on the network. The basic aim of networking is to be able to exchange data such as text, audio and video from one point to another in the world. Basic communication model The fundamental purpose of a communication system is the exchange of data between two points of parties. Depending upon the basic communication model, the figure given below shows one particular example, which establishes communication between a workstation and a server over a public telephone network . The above figure can be described as under. i) Source:- This device generates the data to be transmitted. Two examples can be telephone and personal computers . ii) Transmitter :- A transmitter transforms and encodes the information in such a mann