Which one of the following is the Boolean expression for NOR gate?

Which one of the following is the Boolean expression for NOR gate?
  1. $Y=\overline{A+B}$
  2. $Y=\overline{A \cdot B}$
  3. $Y=A \cdot B$
  4. $Y=\bar{A}$

Solution

NOR gate is the combination of NOT and OR gate. Boolean expression for NOR gate is $Y=\overline{A+B}$

Asked in: JEE Main 2012 (19 May Online)

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