The output $(Y)$ of logic circuit given below is 0 only when :

• A

  $\mathrm{A}=1, \mathrm{~B}=0$
• B

  $\mathrm{A}=0, \mathrm{~B}=1$
• Correct answer
  C

  $\mathrm{A}=0, \mathrm{~B}=0$
• D

  $\mathrm{A}=1, \mathrm{~B}=1$

Hence, the correct answer is option: 'C'.