Also known as Lan card ,Ethernet card, Network/Ethernet adaptor.
It is an interface between computer and network cables.
It is a mediator between system and network
Functions of LAN card are,
*Data transfer
*Buffering data construction
*Medium access control
*Encoding and decoding
*Data transmission and reception
Lan cards are full duplex ( they can send and receive data )
Lan card can have UTP, BNC, AUI ports.
Lan card puts packet on the cable.
It contains MAC address.
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