The component that connects a devices (a computer) to the communication media is call a/an _____________. Solution 1. Ethernet card or Network Interface Card ( NIC) is the component that connects a device to the communication media. NIC is an expansion card that enables a device (computer) to connect to a network using an Ethernet cable with the help of RJ-45 connector. 2. Network Interface Card acts as an interface hardware that allows a device (computer) to interface with a network system. An example of network system can be LAN system. 3. NIC has a micro processor that takes care about communications that takes place from the computer. 4. Computer just gives the data to the NIC, NIC present in the computer works along with another NIC for proper data transmission, error handling. 5. Most of the computer systems have NIC directly builtin on motherboard. .