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    1960s PUNCHED CARD DATA PROCESSING / KEY PUNCH …

     
  3. Wikipedia
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    Keypunch - Wikipedia

  4. Columbia University
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    The IBM 026 Key Punch - Columbia University

    An expert key punch operator in data-entry applications, with the aid of a well-designed program card, could punch 200 cards per hour. There was a huge market for key punch operators in the 1950s and 60s.

  5. Images of Key Punch operators 1965

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  6. Columbia University
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    The IBM 029 Key Punch - Columbia University

  7. Two-Bit History
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    The IBM 029 Card Punch - Two-Bit History

    Jun 23, 2018 · The reading station and the “DUP” key together allowed IBM 029 operators to easily copy the contents of one card to the next. There were all sorts of reasons to do this, but correcting mistakes was the most common.

  8. PCMag
    https://www.pcmag.com › encyclopedia …

    Definition of keypunch machine - PCMag

    A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station.

  9. People also ask
    How did a card punch machine work?
    A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies at the punch station punched the appropriate holes in the selected card column. IBM Keypunch This is the type of IBM keypunch machine used in the 1960s and 1970s.

    Definition of keypunch machine - PCMag

    pcmag.com
    What was IBM's last key punch?
    In 1971, IBM announced its last key punch, the 129, which was an 029 with buffer memory, allowing data to be entered, checked, and edited before committing it to the card; storing up to six different formatting programs (equivalent to program-drum cards); and able to accumulate counts and totals.

    The IBM 029 Key Punch - Columbia University

    columbia.edu
    How did a keypunch machine work?
    As characters were typed, a series of dies at the punch station punched the appropriate holes in the selected card column. IBM Keypunch This is the type of IBM keypunch machine used in the 1960s and 1970s. Operators by the tens of thousands would spend a full shift keypunching orders, time cards and a host of other transactions.

    Definition of keypunch machine - PCMag

    pcmag.com
    What is a punch-card data entry machine?
    A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies at the punch station punched the appropriate holes in the selected card column.

    Definition of keypunch machine - PCMag

    pcmag.com
    What was a punch card programmer?
    Punch card programmers would typically hand their cards to the actual computer operators, who would feed the cards into the IBM 2540 and then hand the printed results back to the programmer. The programmer usually didn’t see the computer at all. What the programmer did see a lot of was the card punch.

    The IBM 029 Card Punch - Two-Bit History

    twobithistory.org
    What was the golden era of punch card programming?
    This golden era was the era of punch card programming. By the 1960s, IBM’s punch cards had set the standard and the standard was that punch cards had 80 columns. The 80-column standard survived into the teletype and dumb terminal era and from there embedded itself into the nooks and crannies of our operating systems.

    The IBM 029 Card Punch - Two-Bit History

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