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Thread: History of Database Systems database management system free pdf download

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Relationships among Classes

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    Pdf 32 History of Database Systems database management system free pdf download

    Data processing drives the growth of computers, as it has from the earliest days of commercial computers. In fact, automation of data processing tasks predates computers. Punched cards, invented by Hollerith, were used at the very beginning of the twentieth century to record U.S. census data, and mechanicalsystems were used to process the cards and tabulate results. Punched cards were later widely used as a means of entering data into computers.


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    Last edited by amitsharma957; 4th April 2013 at 10:25 AM.

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