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In 3000 bc, the abacus is invented in Babylonia. An abacus is a device for calculating used by sliding beads back and forth on a rod.
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Samuel Morland builds a mechanical calculator that will add and subtract.
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Leibniz introduces binary mathematics
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The third Earl of Stanhope invents a multiplying calculator.
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George Boole develops Boolean Logic which will one day become the basis for computer logic
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IBM introduces the electric typewriter
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The first Iphone (technically a handheld computer) was introduced.
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The IPad was introduced.
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The Whirlwind computer, the first real-time computer, is developed by Jay Forrester and his team at MIT
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In 87 AD, the Antikythera Mechanism was made. It is believed that this instrument was a kind of mechanical analog computer used to calculate the movements of stars and planets in astronomy
