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A spaced-review style queue that turns incomplete exercises and fragile concepts into concrete next actions.

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5

Open exercise

  • Classical bit versus qubit

    Distinguish classical bits from qubit state vectors.

    Open exercise

  • Coherent superposition

    Distinguish superposition from classical uncertainty.

    Open exercise

  • Born rule

    Convert amplitudes to measurement probabilities.

    Open exercise

  • Gates versus measurement

    Distinguish pulling a gate lever from taking a measurement.

    Open exercise

  • Tensor-product map

    Map one-qubit states into a two-qubit basis order.

    Open exercise

Concept retention

State Model

Keep the distinction between state vectors, amplitudes, probabilities, and observed outcomes sharp.

  • Normalize a state.
  • Compute |alpha|^2 and |beta|^2.
  • Explain why a state is not a hidden classical bit.

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Phase and Interference

Review why equal measurement probabilities can still hide different future behavior.

  • Compare |+> and |->.
  • Apply H to both states.
  • Identify constructive and destructive interference.

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Measurement Basis

Practice Born-rule reasoning in more than one basis and avoid passive-observation language.

  • Compute Z-basis probabilities.
  • Convert to X-basis reasoning.
  • Describe the post-measurement state.

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Algorithmic Interference

Advanced review for oracle promises, phase kickback, and amplitude amplification.

  • State the oracle promise.
  • Track a sign flip.
  • Explain when the speedup claim applies.

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