The output of an AND gate is connected to the input of a NOT gate. Draw the logic circuit of this combination of gates and write the truth table.

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

Prove the Boolean identity: $\left(\mathrm{A}+\mathrm{B}\right)\left(\mathrm{A}+\mathrm{C}\right)=\mathrm{A}+\mathrm{BC}$

State De-Morgan's theorems.

State De-Morgan's theorems.

The logic circuit shown above is equivalent to :

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

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

Write the truth table for the given circuit:

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:

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

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