Quantum Gates & the Circuit Model

How quantum programs are expressed as circuits of unitary gates acting on qubits — the single- and multi-qubit gates every quantum algorithm is built from.

Read

51 min

Practice MCQs

25

Interview QA

25

Edition

v2

Editorial status

Reviewed

Relevant for

Quantum Software Engineer

Scope: IBM Quantum and Qiskit current circuit/transpiler documentation; OpenQASM 3; QIR specification reviewed 2026-09-04.