Networks connect more than one computer together in your home, letting you share files, printers and even Internet connections among different machines.
Wired networks use cables to connect the different machines together.
They're more difficult to set up because you have to physically run the wires from PC to PC, but they're reliable and fast. We'll focus on these today. Let's say you have two PCs, two laptops and a cable modem for your Internet access, which describes the setup in a home network I put together recently. If you don't have a network card, you can easily install one. Both came with the software to install them and simple instructions.