The truth table for the following logic circuit is

Which logic gate is represented by the following combination of logic gates?

For the logic circuit shown, the output waveform at $\mathrm{Y}$ is

According to the laws of Boolean algebra, the expression $\left(\mathrm{A}+\mathrm{AB}\right)$ is equal to:

The logic circuit shown above is equivalent to :

The logic performed by the circuit shown in figure is equivalent to

The arrangement given below represents a logic gate:

Copy the following truth table in your answer booklet and complete it showing outputs at C and D.

The input values $\mathrm{A}$ and $\mathrm{B}$ of the Boolean expression $\left(\overline{\mathrm{A}+\mathrm{B}}\right)\left(\overline{\mathrm{A}·\mathrm{B}}\right)=1$ are respectively:

Each of the two inputs $A$ and $B$ can assume values either $0$ or $1.$ Then which of the following will be equal to $\overline{A}·\overline{B}?$