The value of the register DX after the following code runs – Val WORD 100h- is M
ID: 3692555 • Letter: T
Question
The value of the register DX after the following code runs – Val WORD 100h- is
MOV AX, 4000H
MUL Val
4000h
0400h
0040h
0004h
The value of the register AH after the following code runs is
MOV AX, 45H
MOV BL, 2h
DIV BL
01h
12h
22h
43h
The values of the registers AX and DX respectively after the following code runs – Val WORD 100h- are
MOV AX, 2500h
MOV DX, 1000h
MUL Val
0000h; 0025h
1000h; 2500h
3000h; 1025h
3500h; 1000h
The value of the register DX after the following code runs is
MOV DX, 0
MOV AX, 8003h
MOV CX, 100h
DIV CX
0001h
0080h
0003h
0083h
Write a program using only shifting to multiply the content of register AX by 7 –assuming that the number in AX is so small that the product will fit in AX - overflow won’t occur.
Explanation / Answer
VAL WORD 2211h
MOV AX VAL
SHL AX
SHL AX
MOV BX,AX
SUB VAL
ADD BX
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