The first actual computer based invention that came about to assist in actual labor in order to perform the duties of several people and cut the time down considerably making a substantial benefit to all involved would have been the Hollerith Electric Tabulating System. “The first large-scale application of the HETS was the 1890 U.S. census; the second was the Austrian census of 1890. For the third such application--the 1900 US census—agriculture statistics were also processed with punched cards. Over the course of these applications, more than 300 million cards
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