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A French philosopher and mathematician Blaise Pascal created a device that could calculate callled the Pascaline
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In the 17th century, Gottfried von Leinbniz made a device that could do all of the operations.
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in 1819, Joseph Jacquard discovered that while cards moved through the loom in suence, needles passed through the holes and adapted to the color and texture.
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In the mid-1800's, Charles Babbage made two calculating machines.The difference and analytical engines.
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In the late 19th century, Herman Hollerith invented a calculating machine that ran on electricity and used punched cards to store data.
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The computer known to us today uses the design of John von Nuemann in the late 1940's.
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In 1944, the first computer-like machine was invented in Harvard University and IBM
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The first Computer sold to the public in 1951
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In 1956 The smaller, faster, more reliable comptuer and chips (holder of thousands of circuits) were invented
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In 1970 an entire computer was made on a tiny chip. And in '77 Steve Jobs and Stephen Wozniak made the first Apple computer.
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In 1981 IBM made the first personal computer. They were made more affordable, so almost everyone had a PC.