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[[Image:Babbage.jpg|right|thumb|200px|Charles Babbage's Analytical Engine.]]

[[Image:Babbage.jpg|right|thumb|200px|Charles Babbage's Analytical Engine.]]

Babbage later designed an even more clever "Difference Engine Number 2", that was also never completed.  But in 1991, the bicentennial of Babbage's birth, this computer was built in the British Science Museum, from Babbage's original plans.  It operates flawlessly, though a few billion times more slowly than modern electronic computers.  It is operated by turning a crank.

Babbage later designed an even more clever "Difference Engine Number 2", that was also not completed in his lifetime.  But in 1991, the bicentennial of Babbage's birth, this computer was built in the British Science Museum, from Babbage's original plans.  It operates flawlessly, though a few billion times more slowly than modern electronic computers.  It is operated by turning a crank.

The first computer comparable to the modern day computer, an electronic calculation machine, was the ENIAC. Built as a artillery support machine, it was unveiled in early 1946.<ref>http://ftp.arl.army.mil/~mike/comphist/</ref>

The first computer comparable to the modern day computer, an electronic calculation machine, was the ENIAC. Built as a artillery support machine, it was unveiled in early 1946.<ref>http://ftp.arl.army.mil/~mike/comphist/</ref>