Question $4(1$ point$)$

The $8-$bit two's complement of binary $00000010$ is $11111110.$

True

False

Question $5(1$ point$)$

If $Ax=0$xFFFE and $Bx=0x0001,$ what will be the result of the instruction ADDAx,

$Bx?$

$Ax$ will be $0$xFFFF and $Bx$ will remain unchanged.

AX will become $0$xFFFF and BX will become $0$xFFFF$.$

$Ax$ will become $0$xFFFD and BX will remain unchanged.

AX will overflow and result in $0$x$0000.$

Question $6(1$ point$)$

Which of the following will produce a negative result when using $16-$

bit signed arithmetic?

$($Select all that apply.$)$

Select $2$ correct answer$($s$)$

MOV AX$,0$x$8000$ followed by SUB AX$,1$

MOV AX$,0$x$8000$ followed by SUB AX$,0$x$0001$

MOV AX$,0$x$7$FFF followed by ADD AX$,0$x$0001$

MOV AX$,0$xFFFF followed by ADD AX$,1$