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Joseph Jacquard, invents a loom using punched wooden cards to weave fabric designs. The beginning stages of computers would opt for something similar.
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Ada Lovelace, an English mathematician writes the first computer program. This was the very first stage of an algorithm and what we todays version of "Hello World"
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Herman Hollerith designs a punch card system to help track the 1890 U.S Census. This ends up saving our government years of labor and tax payers $5 million.
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Vannevar Bush invents the first large scale general-purpose analog computer.
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Konrad Zuse creates the Z3 machine, the first digital computer. Although the first commercial digital computer the z4 was not created until 1950.