Ali - History of Computers

By g3a

  • Blaise Parcal made a mechanical caculator.

    His calculator used gears and levers to add and subtract numbers.

  • Charles Babbage invented a math computer.

    It can solve more than one math proplem.

  • George R. Stibitz invented the first electric binary adder

    This machine used only 1s and 0s to solve math problems.

  • Eckert and Mauchly invented the first programmable computer.

    It was big as two small houses and weighed 30 tons

  • Howard H. Aiken built the first electric caculator .

    The Mark1 was as long as half a football field.

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