network controller

The network controller is also called the network adapter or network interface card (NIC), and its English name is Network Interface Card. In the network, if a computer does not have a network card, then this computer will not be able to communicate with other computers, and it will not receive any services provided by the server. Of course, if the server does not have a network card, it cannot be called a server. Therefore, the network card is a necessary device for the server, just like an ordinary PC (personal computer) needs a processor.
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network controller

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The network controller is also called the network adapter or network interface card (NIC), and its English name is Network Interface Card. In the network, if a computer does not have a network card, then this computer will not be able to communicate with other computers, and it will not receive any services provided by the server. Of course, if the server does not have a network card, it cannot be called a server. Therefore, the network card is a necessary device for the server, just like an ordinary PC (personal computer) needs a processor.