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  2. Computer programming in the punched card era - Wikipedia

    en.wikipedia.org/wiki/Computer_programming_in...

    A punched card is a flexible write-once medium that encodes data, most commonly 80 characters. Groups or "decks" of cards form programs and collections of data. The term is often used interchangeably with punch card, the difference being that an unused card is a "punch card," but once information had been encoded by punching holes in the card ...

  3. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/Punched_card_input/output

    Punched card input/output. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards. A computer card punch is a computer output device that punches holes in cards. Sometimes computer punch card readers were combined with ...

  4. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    A 12-row/80-column IBM punched card from the mid-twentieth century. A punched card (also punch card[1] or punched-card[2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines. Punched cards were widely used in the 20th century, where unit ...

  5. John Shaw Billings - Wikipedia

    en.wikipedia.org/wiki/John_Shaw_Billings

    John Shaw Billings. John Shaw Billings (April 12, 1838 – March 11, 1913) was an American librarian, building designer, and surgeon [1] who modernized the Library of the Surgeon General's Office in the United States Army. His work with Andrew Carnegie led to the development and his service as the first director of the New York Public Library.

  6. Tabulating machine - Wikipedia

    en.wikipedia.org/wiki/Tabulating_machine

    Hollerith punched card. The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census. Later models were widely used for business applications such as accounting and inventory ...

  7. Health administration informatics - Wikipedia

    en.wikipedia.org/wiki/Health_Administration...

    The emerging field of Health administration informatics is concerned with the evaluation, acquisition, implementation and day-to-day operation of information technology systems in support of all administration and clinical functions within the health care industry. The closely related field of biomedical informatics is primarily focused on the ...