Answer the following $5$ question based on the show state diagram

The minimal number of Registers to design the Data$-$Path is

Multiplexers are used to assign multiple values to a single register, so what is the minimal number

of MUXs to design the above Data$-$Path

$($A$)6$

The number of Flip$-$Flops needed to design the controller for the above State diagram

$($A$)6$

$($B$)5$

$($C$)4$

$($D$)3$

The minimal number of Functional Units needed to design the data path for the above State

diagram is

$($A$)$ One

$($B$)$ Two

$($C$)$ Three

$($D$)$ Four

$($E$)$ All of the above

$($F$)$ None of the above