The organization of memory and processor is word $($int also takes $116-$bit word$)$

variable a has the value #$a0c0$

top of stack $($full descending$)$ #c$100$

stack frame before subroutine $B$ call #c$010$

address of subroutine $B$#$1021$

Calling rules: $C$ language convention, no static link, function result passed in registers$).$ The stack is shown after subroutine $B$ is called by itself $($recursively$),$ at label point $C.$ Subroutine $B$ is called for the first time $)$;

somewhere in the program from address #$1011.$ Label C has address #$1050.$

regardless of the programming language, subroutine $B$ has the form

$B($int i$)$; $$

int $p=i+1$;

C: $,B(1-3)$;

$\}$

The content of the cell at address #c$0$f

#cOfd $,$#$c010$

#COC

#$c.$

$\{$

$C$: $B(i-3)$ int $p=i$