• A network interface card (NIC) is a piece of hardware that allows a computer to connect to a network. It is a circuit board that is installed in a computer and provides the machine with a dedicated network connection. It's also known as a network adapter, network interface controller, or LAN adapter.
• Both cable and wireless communication are possible with the NIC.
• The network interface card (NIC) enables communication between computers linked via a local area network (LAN) as well as communication over a large-scale network using the Internet Protocol (IP).
• A network interface card (NIC) is a physical layer and data link layer device that provides the essential hardware circuitry for physical layer and some data link layer activities to execute on it.

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