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In 1822, Charles Babbage conceived the idea of a programmable computer. Being a mathematician, he wanted to create a machine that could compute tables of numbers. Ultimately, his project failed, but he later came to the realization that a simpler model was possible.
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In 1889, Herman Hollerith, a young employee of the United States Census Bureau, was issued a patent for his invention of a mechanism that uses electrical connections to record information. These devices became widely used with many census bureaus around the world.
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In 1936, the Turing Machine was invented. This machine was invented by Alan Turing and referred to as an "a-machine" which stands for automatic machine. This machine was able to manipulate symbols on a strip of tape according to a table of rules. This machine serves as the basis for today's modern day computers.
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John Vincent Atanasoff invented the first digital computer at Iowa State University. He and Clifford Berry went on to design a computer that became the first that was able to store information.
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In 1971, Alan Shugart and his team invented the floppy disk. This invention allowed for information to be shared between computers.
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In 1976, Steve Jobs and Steve Wozniak released the Apple I, Apple's first computer.
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The first iPhone was released in 2007, bringing many computer features to the palm of your hand. Many versions of the iPhone have since come out, becoming one of the most popular smartphones in the world.
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