1. The History of Computers by Elyse McMenamin, Jon Liu, Mike Oudenne, Arthur Kozhevnik

2. Computer Ancestors Difference Engine Automatic Mechanical Calculators Pascaline Charles Babbage Thomas' Arithmometer

3. Early Electronic Computers Colossus Worlds first electronic, digital, programmable computer Used to read secret german messages during World War 2 Used vacuum tubes ENIAC First general public computer

4. The First Hobby/Home Computers Altair 1975 microcomputer, featured in a magazine Lear-Siegler ADM3-A 1975 12" terminal computer Xerox Alto Computer valuable collectible, precursor to PC's

5. TWO GUYS IN A GARAGE Founded on April 1, 1976, incorporated on January 3, 1977. The original Apple Computer, or Apple I Personal computer 1976. Hand built by Steve Wozniak Steve Jobs sold computers Apple II highly sucessful Technological advancement Sold on June 10, 1977. 1993, between five and six million Apple II series sold.

6. Computers Today Microsoft office Social networking Internet Explorer Movie Simulations and animations Computer Gaming

7. Works Consulted "MITS Altair 8800 Computer." MITS Altair 8800 Computer. N.p., 23 Dec. 2011. Web. 30 Nov. 2012.. "Lear Siegler, Inc. (LSI) Terminal ADM3A." Lear Siegler, Inc. (LSI) Terminal ADM3A. N.p., n.d. Web. 30 Nov. 2012.. "CHM Revolution." Xerox Alto -. N.p., n.d. Web. 30 Nov. 2012.. "Original 1976 Apple I Fetches More than Half a Million Dollars at Auction." Allvoices. N.p., n.d. Web. 30 Nov. 2012.. Subscribe." Apple II History. N.p., n.d. Web. 30 Nov. 2012.. Garner, James. "How We Use Computers in Our World Today." Yahoo! Contributor Network. Yahoo! Contributor Network, 29 Mar. 2009. Web. 30 Nov. 2012.. http://www.picotech.com/applications/colossus.html Hoyle, Michelle A. "The First Mechanical Calculator." History of Computing Science:. N.p., 30 July 2006. Web. 30 Nov. 2012.. ellis, Mary. "The History of the ENIACÂ Computer." About.com Inventors. About.com Guide, 26 June 1947. Web. 30 Nov. 2012..