geekologie.com for posting this one page PC hardware "cheat sheet" on the web. According to the Geekologie about page, "Geekologie is a geek blog dedicated to the scientific study of gadgets, gizmos, and awesome. There are a lot of shiny new things out there, and Geekologie is dedicated to finding every last one of them for you."
The blog tends to lean towards things Star Wars, but has plenty of other interesting tidbits, photos and videos. Oh. You probably want to see the cheat sheet (since I've written a computer hardware related book or two, I'm naturally attracted to this sort of stuff). Here it is:
Computer Hardware Chart. After you click the link and the image loads, click the image to enlarge.