A network, specifically, a LAN (local area network).
local area network
network port
local area network
network card
The computer network that connects computers across the globe is called the internet.
supercomputer
wi-fi
WAN Wide area network
In MS Windows, you look in the Network Neighbourhood for any and all machines on your network, including other computers, routers, printers and so on.
LAN
Is the network which connects Internet related connected devices.
Client Server