Q$2)$ Draw the logic circuit represented by the following expression.

$(25$

Points$)$

$\frac{?}{\text{b}\text{a}\text{r}}(AB)C+(\frac{?}{\text{b}\text{a}\text{r}}(A+B+(\frac{?}{\text{b}\text{a}\text{r}}(C))))\frac{+}{b}ar\frac{A}{b}ar\frac{B}{b}ar(C)D$

Q$4)$ Design a counter with the even binary count sequence $0,2,4,6,0,2$dotsdotsdots. Use D flip$-$flops. The following is the: $(25$ Points$)$

Transition table for a D flip$-$flop.

$\backslash$table$[[$Output Transitions,Flip$-$Flop Input$],[Q_N,,Q_N+1,D$