Question $1(0\mathrm{.}25$ Mark$)$: Draw a circuit diagram corresponding to the following Boolean expression:

$AB+C^{\text{'}}$

Question $2(0\mathrm{.}25$ Mark$)$: Draw a circuit diagram corresponding to the following Boolean expression:

$(A+B)(C+D)$

Question $3(0\mathrm{.}25$ Mark$)$ : Show the behavior of the following circuit with a truth table: