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John Napier invented of set of rods with have become known as "Napier's Bones" that could have been used to perform complex calculations.
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During the 17th century he built a machine that could add up to eight digits.
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he made a device that was call the weaving loom that used to punch cards to replicate designs. Revolutionary step towards computers input.
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He invented the deffence engine that was the first machine that actually did input- evcution- output.
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Invented the punched card calculator for it to count the U.S. census in recorded time
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He invented the electronic tube. Considered as one of the three technological advances that are key to the development of the computer industry.
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He invented the Colossus which was code breaking.
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He invented the very first programmed controlled calculator
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Invented the ENIAC. Its capable of 100,000 calculations per secound.
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They invented the transistor. The transistor was known as "second generation computers." They use less electricity, give off less heat, smaller and less expensive.
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The EDVAC is the first computer to use magnetic tape for storage.
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The UNIVACI was the first computer produced in numbers for business
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The intergrated Circuit was lead to modern computer "chip" leal to the "third" generation
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Microprocessors were capabilities of many thousands of transistors made computers,smaller, faster, cheaper, easier to build
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the Alto was too expensive and never released.
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The Clay 1 is 150 million calculations per second
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the Apple 2 was the First personal computer
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The PET, C64,CI28,VIC-20 series were affordable to own
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An 8086 microprocessor added more paper and speed personal computering
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Good look, durable and easy to use.
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A TRS-80 is less expensive than apple computers. Some of the most popular personal computers in the 1970's.
