Understanding of computer network

a collection of computers, and other devices supporting computers interconnected in a single unit. Media computer network can be via wires or wireless computer network allowing users are able to exchange information, such as documents and data, can also do the same printing on printers and shared use of hardware and software that is connected to the network. Each computer, or devices that are connected in a network called a node. In a computer network can have two, tens, thousands or even millions of nodes.