Q$9.$ Show the stack with all activation record instances, including static and dynamic chains, when

execution reaches position $1$ in the following skeletal program. Assume bigsub is at level $1.$

function bigsub $()\{$

var mysum;

function a $()($

varx;

function $b($sum$)$ f

var $y,z$;

$...$

C $(z)$;

$..$

$\}\frac{\frac{?}{?}}{?}$ end of b

$b(x)$;

$..$

$\}//$ end of a

function $c($plums$)\{$

$\}\frac{\frac{?}{?}}{?}$ end of $c$

var $1$ ;

$...$

a $()$ ;

$\}//$ end of bigsub

Q$10.$

a$.$ What is the similarity between the class instances of Java and those of C#$?$

b$.$ What is a C# assembly?