1) The output Y of the logic circuit shown in the figure is best represented as A) $\overline{A}+\overline {B.C}$ B) $\overline{A}+\overline {B}+C$ C) $\overline{A+B.C}$ D) $\overline{A+ \overline {B}.C}$ Answer: Option DExplanation:Boolean expression for Logic gate-I B.C=Y' Boolean expression for Logic gate-II $A+(\overrightarrow{B}.\overrightarrow{C})=Y"$ Boolean expression for Logic gate -III $A+\overrightarrow{B}.\overrightarrow{C}=Y$
