NIC (network interface card)

 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.