a$)$ Consider a combination of $T$ and $D$ flip$-$flops connected as shown below. The output of the $D$

flipflop is connected to the input of the T flip$-$flop and the output of the T flip$-$flop is connected

to the input of the D flip$-$flop. Assume that initially, both Q$0$ and Q$1$ are set to $1($before the $1$st

clock cycle$).$ Calculate the value of $Q_1{Q}_0$ after the $3$ rd cycle and after the $4$ th cycle.

$[3][$CO$03][$BTL$4]$