Definition - What does Network Adapter mean?
A network adapter is the component of a computer’s internal hardware that is used for communicating over a network with another computer. It enable a computer to connect with another computer, server or any networking device over an LAN connection. A network adapter can be used over a wired or wireless network.
Techopedia explains Network Adapter
A network adapter is usually the only component within a computer for interfacing or connecting with a network. Typically, it is built on a printed circuit board with jumpers that connect it with the computer’s motherboard. A network adapter for wired networks has an RJ-45 port that uses twisted or untwisted pair cable for network connectivity. Wireless adapters connect with the network through a built-in or externally connected antenna. Both network adapters support popular LAN protocols such as TCP/IP.