Problem $2-$ Shift operations

Scenario $($applies to all Problem $2.$x questions$)$:

Shift Operations $-$ The following are $2$ lines within assembly language $($line numbers are for

reference only$)$:

$20$

sll R$1,$ R$2,$ R$3$

sra R$4,$ R$5,$ R$6$

Registers R$1$ through R$6$ are all $32-$bit integers.

Question $2\mathrm{.}1$: What type of values $($signed or unsigned$)$ should these $6$ registers contains?

Question $2\mathrm{.}2$: Before executing line $20,$ register R $2$ contains the value $0$x$00008000.$ If R$3$

contains the value of $3,$ what will register $R1$ contain after line $20$ executes?

Question $2\mathrm{.}3$: Before executing line $20,$ register R$6$ contains $5$ and Register R$5$ contains $14,400.$

What will register $R4$ contain after line $21$ executes?