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feb 26, 1890 - 1890, Herman Hollerith’s tabulator

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Herman Hollerith designs a punch card system to calculate the 1880 census, accomplishing the task in just three years and saving the government $5 million. He establishes a company that would ultimately become IBM.

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The history of computer

ByRen Ran
21 Sep 2018
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Date:

feb 26, 1890
Now
~ 135 years ago

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