Specify the $16-$bit control word that must be applied to the datapath of

Figure $8-11$ to implement each of the following microoperations:

$($a$)$ R$3$ Data in $($b$)$ R$40$

$($c$)$ R$1$ sr R$4($d$)$ R$3$ R$3+1$

$($e$)$ R$2$ sl R$2($f$)$ R$1$ d R$2$ R$4$

$($g$)$ R$7$ R$1+$ R$3($h$)$ R$4$ R$5$ Constant in$8-3.,**$ Design an arithmetic circuit with two selection variables $S_1$ and $S_0$ and two

$n-$bit data inputs A and $B.$ The circuit generates the following eight arithmetic

operations in conjunction with carry $C_{in}$ :

Draw the logic diagram for the two least significant bits of the arithmetic circuit.