When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    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 .

  3. Time clock - Wikipedia

    en.wikipedia.org/wiki/Time_clock

    A time clock, sometimes known as a clock card machine, punch clock, or time recorder, is a device that records start and end times for hourly employees (or those on flexi-time) at a place of business. In mechanical time clocks, this was accomplished by inserting a heavy paper card, called a time card

  4. 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 ...

  5. IBM 519 - Wikipedia

    en.wikipedia.org/wiki/IBM_519

    The IBM 519 Document-Originating Machine, introduced in 1946, was the last in a series of unit record machines designed for automated preparation of punched cards. Others in the series included the IBM 513 & IBM 514 Reproducing Punch. The 519, which was "state of the art for the time", [1] could: reproduce all or parts of the information on a ...

  6. Punched card sorter - Wikipedia

    en.wikipedia.org/wiki/Punched_card_sorter

    IBM 080 Card Sorter IBM 082 Card Sorter. A punched card sorter is a machine for sorting decks of punched cards. Sorting was a major activity in most facilities that processed data on punched cards using unit record equipment. The work flow of many processes required decks of cards to be put into some specific order as determined by the data ...

  7. Malaysian Electronic Payment System - Wikipedia

    en.wikipedia.org/wiki/Malaysian_Electronic...

    The card is called a Bankcard, a card with multiple functions. Three main functions can be used, namely ATM (with various combinations of banking transactions), e-debit (online purchase payment) transactions at participating merchants and MEPS Cash (a stored-value card that can be used to pay at participating merchants).

  8. Unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Unit_record_equipment

    1949: The IBM 024 Card Punch, 026 Printing Card Punch, 082 Sorter, 403 Accounting machine, 407 Accounting machine, and Card Programmed Calculator (CPC) introduced. [52] 1952: Bull Gamma 3 introduced. [53] [54] An electronic calculator with delay-line memory, programmed by a connection panel, that was connected to a tabulator or card reader ...

  9. Tabulating machine - Wikipedia

    en.wikipedia.org/wiki/Tabulating_machine

    The 301 (better known as the Type IV) Accounting Machine was the first card-controlled machine to incorporate class selection, automatic subtraction, and printing of a net positive or negative balance. Dating to 1928, this machine exemplifies the transition from tabulating to accounting machines. The Type IV could list 100 cards per minute.