Quantum Computing, Quantum Gate, Qiskit.
qubit is |1⟩ otherwise 2nd qubit is unchanged; Checking the result using IBM Quantum circuit composer: Composer1 : Input |00⟩ -> output |00⟩ Composer2 : Input |10⟩ -> output |10⟩ Composer3 : Input |01⟩ -> output |11⟩ Composer4 : Input |11⟩ -> output |01⟩ simulated XOR gate using python and qiskit