List of top Physics Questions on Logic gates asked in UP Board XII

In order to obtain an output, Y = 1, from the given combination of gates:
Draw symbol of NOR gate and draw truth table for its output.
Find the energy stored in a capacitance of 10 μF when it is charged to a potential difference of 2 volts.
Draw the logic symbol of a NOR gate and write its truth table.
What is a NOR gate? Draw its logic symbol and obtain the truth table.