What is NIC ?

NIC (Network Interface Controller ) :

  • A network interface controller (NIC, also known as a network interface card, network adapter, LAN adapter or physical network interface) is a computer hardware component that connects a computer to a computer network.
  • It allows computers to communicate over a computer network, either by using cables or wirelessly.
  • The Network Interface Controller is both a physical layer and data link layer device, as it provides physical access to a networking medium
  • A network interface card provides the computer with a dedicated, full-time connection to a network. Personal computers and workstations on a local area network (LAN) typically contain a network interface card specifically designed for the LAN transmission technology

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