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Edge-notched card

Edge-notched card

Index card with notches to store data.

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Wikipedia views per dayLast 30 days 572

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Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 108 clicks on its links

  1. Superimposed code

    Hash code type.

    44%

  2. Paper data storage

    Use of paper as computer memory.

    24%

  3. Aperture card

    Punch card in which a piece of microfilm is mounted.

    12%

  4. Index card

    Standard sized card for recording data.

    10%

  5. Punched card

    Paper-based recording medium.

    9.3%

Readers come from

Share of the 400 readers arriving from another article

  1. Index card

    Standard sized card for recording data.

    37%

  2. Zettelkasten

    Knowledge management and note-taking method.

    25%

  3. Punched card

    Paper-based recording medium.

    22%

  4. Colour wheel theory of love

    Love typology by J. A. Lee.

    11%

  5. Knitting needle

    Tool used for hand-knitting.

    3%