jan 8, 1833 - Analytical Engine - Babbage: First stored-program computer.
Description:
The Difference Engine could compute various functions by manually setting the starting position of its gears, but it had only one algorithm, built into the hardware design. In 1833, Babbage began a more ambitious project, the Analytical Engine. It was based on the general idea of the Difference Engine, but with a crucial difference: It could carry out instructions in a primitive programming language, prepared on punched cards.
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History of Computers
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