•http://inventors.about.com/od/computersandinternet/a/Ibm-Pc.htm
•http://www.pbs.org/nerds/timeline/
•http://personalpages.manchester.ac.uk/staff/m.dodge/cybergeography//atlas/historical.html
•http://www.computerhistory.org/
•Timeline of Computer History. eLibrary. Web. 28 Oct. 2012.
•http://www.crystalgraphics.com/powerpoint/Templates.Search.Details.asp?product=Computers_0803
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