Hardware

Babbage's Difference Engine and other historic computers

Difference Engine No. 2 specifications

According to the Computer History Museum, Difference Engine No. 2 has 8,000 parts, weighs five tons, and measures 11 feet long.

Photo credit: Jitze Couperus

About

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...

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