I currently use a basic modem to connect to the internet on my desktop. I want to buy a router so that i can use internet on my laptop and tablet via Wifi. I don't know much about networking and routers.
So, do I need to buy a PCIe network card/adapter for the motherboard as well or not? I'm not sure if I have one of those inbuilt on my motherboard. In device manager, there is a network adapter called Realtek PCIe GBE Family Controller, but I think it has nothing to do with Wifi.