We have entered in the era of communication technology. The dynamic world today needs fast communication channels to move data frequently from one place to another.
To move data quickly form one place to another, the concept of networking has been introduce. In networking, the computers in different parts of the world are connected to each other to share data.
Data communications and networking are changing the way we do business and the way we live. Business decisions have to be made ever more quickly, and decision makers require immediate access to accurate information . The development of the personal computer brought about tremendous changes for business, industry, science and education. A similar revolution is occurring in data communications and networking.
Definition : —
A computer network is a set of connected computers.
The connection between computers can be done via cabling, most commonly
the Ethernet cable, or wirelessly through radio waves or satellites. Connected
computers can share resources, like access to the Internet, printers,
file servers, and others.
Any type of data we can able to share via networking like text, picture, audio and video etc.