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Thanks for answering guys, this is all new to me I still need to figure out which router to buy, y'know an A, B, or G and what brand, I seem to see that LinkSys or Netgear is good, but I have more reading to do on this site.
So does a router come in like two parts/modules? One that connects to the cable modem on the first (older) PC that has the internet and then a second piece that hooks up to the new PC?