A network is a collection of
computers and devices connected together via communications devices and transmission media.
When a computer connects to a network, it is online. Networks allow
computers to share
resources, such as hardware, software, data, and information. Sharing resources saves time and money. A Networks is very good media for communication. It can also be classified as an (LAN) or Local Area Network, (WAN) or Wide Area Network and (MAN) or Metropolitan Network. Each has its own classifications.