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Network card

A network card (network adapter, network interface 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 LEDs 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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