![]() ![]() ![]() ![]() While the standard NIC is a plastic circuit board that slides into a computer to connect with the motherboard, there are multiple ways this connection can occur: The term network interface card is often considered interchangeable with the terms network interface controller, network adapter and LAN adapter. When purchasing a NIC, specifications should correspond with the standard of the network. Expansion card NICs can be purchased online or in retail stores if additional independent network connections are needed. However, more modern controllers are built directly into the computer motherboard chipset. Originally, network controllers were implemented as expansion cards that could be plugged into a computer port, router or USB device. The card gets these signals and translates them into the data that the computer displays. For example, when a user requests a webpage, the computer will pass the request to the network card, which converts it into electrical impulses.Ī web server on the internet receives the impulses and responds by sending the webpage back to the network card as electrical signals. The network card operates as a middleman between a computer and a data network.
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