... was the father son team of George and Edvard Scheutz which built the first practical mechanical computer based on Babbage's work. It was in 1848 that George Boole devised binary algebra which would later be used to develop the binary computer. Then, in the late 1800's there were several multiplying calculators built each a little different and a little better. It was in ... that constructed a 1-bit binary adder using relays. Then in 1938 Konard Zuse came on the scene with some help from Helmut Schreyer they built the first binary calculator based on Boolean Algebra. This calculator was ...

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• Grade Level: High School