Networks

Physical Connections - NIC

All computers within a network need to be physically connected to the network. This is achieved by a Network Interface Card (NIC) which transmits and receives the data packets. A network card showing the BNC connector A Network Interface Card has one or more sockets for network cables and the type of socket depends on the type of network it will be used in. The network card is usually a circuit board with a back plate which slots into one of the expansion slots at the back of the computer.