Networking interface card (NIC):
Before a computer can be connected to a network it will need to have a network interface card. Most modern computers have these when you buy them. A network interface card is simply a card containing circuitry along with a socket.
Communication devices:
Communication devices are those pieces of hardware that are needed to turn stand-alone computers into networked computers.
Basic elements of an ICT network
There are four basic elements of an ICT network in addition to the computers themselves:
Introduction:
A basic network consists of a collections of computers and other hardware devices such as printers and scanners that are linked together so that they can communicate with each other.