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  2. 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

  3. Unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Unit_record_equipment

    Summary punching - punching new cards with details and totals from an attached tabulating machine. Mark sense reading - detecting electrographic lead pencil marks on ovals printed on the card and punching the corresponding data values into the card. [81] Singularly or in combination, these operations were provided in a variety of machines.

  4. 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 ...

  5. Time and attendance - Wikipedia

    en.wikipedia.org/wiki/Time_and_attendance

    Time and attendance systems (T&A) are used to track and monitor when employees start and stop work. A time and attendance system enables an employer to monitor their employees working hours and late arrivals, early departures, time taken on breaks and absenteeism. [ 1 ]

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  7. Keypunch - Wikipedia

    en.wikipedia.org/wiki/Keypunch

    The heart of the 024 and 026 keypunches was a set of twelve precision punches, one per card row, each with an actuator of relatively high power. Punch cards were stepped across the punch one column at a time, and the appropriate punches were activated to create the holes, resulting in a distinctive "chunk, chunk" sound as columns were punched.

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