1890-Hollerith’s Punched Cards

holleiths punch cardsHerman Hollerith developed a method of storing information through a system of punched cards. He developed the electromechanical punched card machine. He then used this machine to perform a number of operations stored on cards to sort, retrieve, count and calculate. His invention of the punched card tabulating machine marks the beginning of the era of semiautomatic data processing systems.


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