Besides losing temporarily connection with them there shouldn't be any other effect on the computer.
It is a router.
Yes, this will connect a computer to a second port on your modem/router
The modem if what provides the internet, so yes, you will need the modem, the computer, and the router to have Wi-Fi for an iPod touch.
If you have a router the ethernet cable connects to it. If you have another item like a PC connected to a modem you could disconnect the ethernet cable from it and plug in the PS3 until you purchase a router.
A modem connects your computer to the Internet. A router takes the Internet signal and splits it up and distributes it to other computers on your network. There are two types of routers, wired and wireless. A wired modem router uses a cat5 cable to connect to the modem and to connect to each computer on the network. A wireless router uses wires to connect to the modem but connects to each computer on the network without wires.
Xbox live takes up a small amount of internet usage, but it has no effect with the computer, especially if the modem/router you are using has no Ethernet cable running to your computer.
A modem or router
Yes you take the internet access from the modem to the computer and move it to the router so the router can allow more access than just to the computer. In the back of the router there are spots for ethernet cables only one is a input and that comes from the modem and should be connected. There should also be 4 or more outputs and one then gets connected to the computer. You will need to buy more ethernet cables. Internet comes from your DSL modem and you need to disconnect your computer to allow the router to be installed. Your computer and anything else is then connected to the router
You don't need to turn your computer on. Just make sure your Xbox is connected to your router and the router and/or modem is on. If using wireless just plug it in and select your network I'm the Xbox settings.
A broadband router modem is a device used to help connect a computer to the internet. You can buy it from a store or a service provider and connect the Ethernet cable to your computer.
It is very easy to install a wireless modem router. Just plug the router into your computer and into your current cable or broadband modem. It will not work with dial up, though.
No, they are different devices. A modem is used for computer, let's say a laptop. Whereas, a wireless router can be used for multiple computer connections, through high-speed internet.