Quantum Computing, Quantum Gate, Qiskit.
table(Fig1) in to Quantum reversible gates. We can observe the output of AND, NAND, OR, and NOR do not have equal number of 0’s and 1’s, they need an ancilla bit. For XOR and XNOR, no ancilla bit is needed Note: The qubits referred in the circuit composer follows left to right where as qubits