The word "computer network" may already be familiar to our ears, considering almost every day we involve the computer network in our work.
The computer network is a system that consists of two or more computers connected to each other through a transmission medium or communication medium that can share data, applications and the sharing of computer hardware.
The term computer network itself can also be interpreted as a collection of a number of communication terminal consisting of two or more computers connected to each other.
Purpose of the Network is to make the information / data that brought the sender (transmitter) can be up to the recipient (receiver) with precise and accurate.
Computer networks allow users to communicate with each other easily.
In addition, the role of computer networks is needed to integrate data between client computers so diperolehlah a relevant data.
