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  2. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/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 computer card punches and ...

  3. Category:Punched card - Wikipedia

    en.wikipedia.org/wiki/Category:Punched_card

    This category contains articles about punched cards and card handling equipment, including card readers, card punches, and keypunches. Subcategories This category has the following 2 subcategories, out of 2 total.

  4. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    A deck of punched cards comprising a computer program. The red diagonal line is a visual aid to keep the deck sorted. [32] The terms punched card, punch card, and punchcard were all commonly used, as were IBM card and Hollerith card (after Herman Hollerith). [1]

  5. Computer programming in the punched card era - Wikipedia

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

    A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...

  6. Edge-notched card - Wikipedia

    en.wikipedia.org/wiki/Edge-notched_card

    A notched card showing two levels of notching. Edge-notched cards or edge-punched cards are a system used to store a small amount of binary or logical data on paper index cards, encoded via the presence or absence of notches in the edges of the cards. [1]

  7. Loyalty program - Wikipedia

    en.wikipedia.org/wiki/Loyalty_program

    A loyalty program typically involves the operator of a particular program setting up an account for a customer of a business associated with the scheme, and then issue to the customer a loyalty card (variously called rewards card, points card, advantage card, club card, or some other name) which may be a plastic or paper card, visually similar to a credit card, that identifies the cardholder ...

  8. Lace card - Wikipedia

    en.wikipedia.org/wiki/Lace_card

    A lace card from the early 1970s. A lace card (also called a whoopee card, ventilator card, flyswatter card, or IBM doily [citation needed]) is a punched card with all holes punched. They were mainly used as practical jokes to cause disruption in card readers. Card readers tended to jam when a lace card was inserted, as the resulting card had ...

  9. National Quality Research Center - Wikipedia

    en.wikipedia.org/wiki/National_Quality_Research...

    The National Quality Research Center ('NQRC') at the Stephen M. Ross School of Business, University of Michigan, is a research and teaching center focusing on the measurement of customer satisfaction and the study of its relationships to quality, customer retention, and other variables, for both private and public sector organizations, and for national economies.