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French philosopher Blaise Pascal invented the Pascalene
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Gotfried von Leibniz invents device that divides, adds, subtracts, and multiplies
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Joseph Jacquard discovers weaving instructions could be stored on cards with ounched holes in them.
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Charles Babbage invented two calculating devices.
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Herman Hollerith invented calculating device run on electricity and used punch cards to store data.
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Mark I was invented by IBM and Harvard Univesity. Howard Aiken being the leader.
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ENIAC was built at the University of Pennsylvania.
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John von Neumann gave design rules used in today's computers.
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UNIVAC is built and sold to the US Census Bureau.
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Invention of transistors results in smaller,faster, and, more reliable computers. Also presenting FORTRAN and COBOL, two early programming languages.
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Microprocessor ,an entire CPU on a single chip is invented.
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The first Apple Computer design is made by Stephen Wozniak and Steven Jobs in their garage.
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Clones of IBM are used to make personal computer more affordable.
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Many people are able to afford computers.
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Now computers are more powerful, reliable, and easy to use.
