Bad Qubits — Learn Quantum by Doing

Multiple choice

In the measurement calculus, a measurement pattern is built from exactly four primitive commands. Which set correctly lists them?

Initialization, amplitude damping, dephasing, and readout
Preparation, Hadamard, controlled-Z, and computational-basis measurement
Preparation N_i, Entanglement E_ij (controlled-Z), Measurement M_i^xi, and Correction X_i^s / Z_i^s
State preparation, T gate, Toffoli, and partial trace