Network (network) is an operating system that consists of a number of computers and other network devices that work together to achieve a tujuam the same or a network that is composed of dots (nodes) are connected to one another, with or without cable. Each serves as a work station nodes (workstations). One of the nodes as a media service or server, which regulates certain functions of the other nodes. Basically, a computer network technology itself is a combination anatara tenologi computer and communications technology.