Definicija: An expansion card or other device used to provide network access to a computer or other device, such as a printer. Mediates between the computer and physical media, such as cabling, over which transmissions travel.
Definicija: A layer of the TCP/IP DARPA model that is responsible for placing TCP/IP packets on the network medium and receiving TCP/IP packets off the network medium. The network interface layer is also called the network access layer.