Quantum Gates, Quantum Computing, Quantum, Techonology.
control qubit is in the state |1⟩. The gate matrix representation is: 1 0 0 0 0 1 0 0 0 0 0 1 0 0 1 0 The CNOT gate transforms the four possible input states as follows: |00⟩ state is unchanged. |01⟩ state is unchanged. |10⟩ state is transformed to |11⟩ state. |11⟩ state is transformed to |10⟩