What are network cards?

Answer by  RonanN1 (21)

Network cards are pieces of hardware that allow one or multiple computers to connect to each other by (LAN - LOCAL AREA NETWORK) or to the internet (WAN - WIDE AREA NETWORK. The network cards differ one from another depending on the manufacture.

Answer by  Phil28 (379)

Network interface cards (NICs) are expansion cards that enable a computer to communicate over a twisted pair cable (or fibre or wireless) and over medium distances up to approximately 100m. Most likely you are using a network card to connect to your router providing you with internet access.

Answer by  Me51 (357)

They are a card you can install in your computer to allow an ethernet cable (or possibly wireless signal) to be plugged in. This allows you to netowkr computers together to say share a printer, or more commonly to access the internet. Almost every new computer has a wired card.