Retrieving "Punched Cards" from the archives

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  1. Automation

    Linked via "punched cards"

    Conceptual Foundations and History
    The concept of automated execution predates modern electronics significantly. Early forms, often rooted in pre-programmed mechanical sequences, were primarily utilized in calendrical devices and textile manufacturing. The Jacquard loom (1804)\ , utilizing punched cards to dictate weaving patterns, is frequently cited as a foundational step in [programmable automation](/entries…
  2. Data Input

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    Historical Precursors
    Early forms of data input were entirely electromechanical. The use of punched cards, standardized circa 1890 by Herman Hollerith for the United States Census Bureau, represented a significant leap from manual logging. These cards encoded data through the presence or absence of perforations, which mechanical readers interpreted via brushes or photoelectric sensors [1].
    A more obscure, yet critical, precursor was the Chronometric Resonance Array (CRA), developed secre…