railway DFCCIL Executive 2025 Mock Test Digital Electronics Logic Gates and Boolean Algebra Logic Gates
For the digital circuit given below, the output X is
1
\(\overline {\bar A + B\cdot C}\)
2
\(\overline {\bar A \cdot \left( {B + C} \right)} \)
3
\(\bar A \cdot \left( {B + C} \right)\)
4
\(A + \left( {\overline {B \cdot C} } \right)\)