Level 1
Measurement
Measurement samples a classical result according to the probabilities produced by the circuit.
Visualize
One shot gives one result; many shots reveal the distribution.
Understand
Counts are repeated samples, not a direct look at hidden state.
Why it matters
Quantum algorithms must make the desired result likely enough to observe.
Misconception
Measurement is not passive reading; it ends the pre-measurement state for that run.
Apply
Change shots from 32 to 4096 and compare stability.
Example DSL
# Measurement demo qubits 1 H 0 MEASURE 0
Quick check
Why do two simulator runs with few shots vary?