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A '''network card''' (also called '''network adapter''', '''network [[interface]] [card]''', etc.) is a piece of [[computer hardware]] designed to utilize the machine with means for [[computer communication]] over a [[computer network]]. The communication is usually carried out in accordance with a certain [[protocol]] such as [[ethernet]] or [[token ring]].
A network card typically have a [[twisted pair]] or [[BNC connector]] socket where the network is connected, and a few [[Light-emitting diode|LED]]s to inform the user of whether the network is alive, and whether or not there is data being transmitted on it.
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