7. What value will EAX contain after the following instructions execute?

.data

dVal DWORD 12345678h

.code

mov ax,3

mov WORD PTR dVal+2,ax

mov eax,dVal

8. Use the following variable definitions to answer parts A, B, and C:

.data

var1 SBYTE -4,-2,3,1

var2 WORD 1000h,2000h,3000h,4000h

var3 SWORD -16,-42

var4 DWORD 1,2,3,4,5

A) For each of the following statements, state whether or not the instruction is valid:

a. mov ax,var1

b. mov ax,var2

c. mov eax,var3

d. mov var2,var3

e. movzx ax,var2

f. movzx var2,al

g. mov ds,ax

h. mov ds,1000h