The computer network that connects computers across the globe is called the internet.
network card
Of course the internet is a computer network..it connects multiple servers throughout the world.
Once you connect a computer to a network this is known as a host.
A router
Online.
supercomputer
Network interface card
It connects to your computer to make it wireless.
The socket is on the Network (Interface) Card (Aka NIC) in your computer. The network card is plugged into the PCI (Peripheral Component Interconnect) slot on your motherboard.
NIC
Go to the wireless network properties and choose "Connect to this network first". You might have to edit setting for your wireless adapter and make sure that you do not have chosen "Connect to any available network".