An NIC (network interface card) is an expansion card that provides connectivity between a PC and a network such as a LAN, NICs are sometimes called ethernet adapters.

Network Interface Cards (NICs) can be internal or external add-ons and come with various specifications, one of which is transfer rate although most modern network interface cards support up to 100Mbps, and the more expensive Gigabit ethernet cards supporting up to 1000Mbps.

for more info on Ethernet click here.

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