Computer network in principle is the relationship between several computers that allow the occurrence of communication between the computer. Local computer network (LAN), Wide Area Networks (WAN) that links between countries. Communication can be done in various forms such as file transfer, access and the others.
The functions of the computer network is as follows:
1. Share data.
The data contained on one computer can also be used or processed by other computers. With the network system, it can easily computer that a mutual exchange data with other computers. Examples to copy MP3 files from other computers.
2. Software share.
The program is available on one computer can also be used by other computers. With the share of the software, allows all computers connected in one program.
3. Resources share.
The use of hardware together so that the installation does not require any hardware to each computer unit. For example is the use of the printer, scanner or camera.