The PC Guide, "Motherboard and System Devices", April 17, 2001, http://www.pcguide.com/ref/mbsys/index-c.html.

Webopedia, "RAM", 2006, http://www.webopedia.com/TERM/R/RAM.html.

Webopedia, "CPU", 2006, http://www.webopedia.com/TERM/C/CPU.html.

How Stuff Works, "How PCs Work", 2006, http://computer.howstuffworks.com/pc.htm.