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    Physics A-Level

    Analogue and digital signals

    What Analogue and digital signals means in Physics A-Level, as defined for AQA.

    Definition of Analogue and digital signals

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    Reference: AQA

    Digital signals use discrete levels, commonly two voltage levels labelled 0 and 1, whereas analogue signals vary continuously.
    AQA · Difference between analogue and digital signals (A-level only) (study guide)

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