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Scottish mathematician John Napier invented a set of rods (called Napier's Bones) that could perform calculations. These rods can be used to divide, multiply, add, subtract, and square/cube roots.
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Joseph-Marie Jacquard developed a weaving loom that used punch cards to replicate designs. This introduction was a revolutionary step towards computer input.
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He had the first conceived idea of a "computer" (input-exectution-output).
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Herman Hollerith creates the punch card calculator
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Lee de Forest invents the electronic tube.
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Charles Babbage's son manages to complete the central component of his father's Analytical Engine, and it works perfectly!
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Electronic machines are developed for the purpose of breaking German encryption codes.
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Howard H. Aiken of Harvard University makes the first programmed controlled calculator; it worked by punched cards or paper tape.
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The computer called the Colossus was completed in Great Britain. This took over the task of code breaking. Ten were built, but hey were all destroyed after WWII.
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The transitor was developed by William B. Shockley, Walter H. Brattain, and John Bardeen at Bell Laboratories.
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The integrated circuit was invented.
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Intel produces a more powerful microprocessor (8080).
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Scelbi Company offers computer kit using the Xerox 8008 chip for $565.
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The first supercomputer, Cray I, is delivered.
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Steve Jobs and Steve Wozniak work on a circuit board for a new microcomputer and build housing that included a keyboard for input.
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In 1977, they released their first personalized computer (the PET). Its "secret" to business was that it had good software for lower prices.
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The second computer Steve Jobs and Steve Wozniak release together; this becomes the first personalized computer to "run away" with such popularity.
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Radio Shack introduced the TRS-80, which was much more affordable than Apple computers
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Intel introduces the 8086 microprocessor, which is a 16-bit processor with nearly 29,000 transistors. This all gives it more power and speed.