1 ene 1880 año - Tabulating Machine
Descripción:
Tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. It was invented to summarize information on punch cards and help process data for the 1890 U.S. Census. Herman Hollerith designed it. Invented in the 1880s
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fecha:
1 ene 1880 año
Ahora mismo
~ 145 years ago