Deck 7: Integer Arithmetic Assessment

Question 1

The MUL instruction sets the Overflow flag if the upper half of the product is not equal to zero.

Answer 1

True

Question 2

The binary value of AL after the following instructions have executed is 11101101.
mov al,01101011b
rol al,2

Answer 2

False

Question 3

The MUL instruction sets the Carry flag if the upper half of the product is not equal to zero.

Answer 3

True

Question 4

When the MUL BX instruction executes,the 32-bit product ends into the EAX register.

Question 5

The SAR instruction is suitable for signed integers.

Question 6

The hexadecimal values of DX and AX after the following instructions have executed are DX=0005 and AX=0000.
mov dx,5000h
mov ax,20h
mul dx

Question 7

RDX will equal 1 after the following instructions have executed.
mov rax,0FFFF0000FFFF0000h
mov rbx,2
mul rbx

Question 8

The ROR instruction is only suitable for signed integers.

Question 9

The binary value of AL after the following instructions have executed is 00001101.
mov al,01101011b
shr al,2

Question 10

The SAR and SHR instructions perform the same operation.

Question 11

When the MUL BL instruction executes,the upper half of the product ends up in the AH register.

Question 12

The DIV instruction generates a divide overflow condition when the remainder is too large to fit into the destination operand.

Question 13

The destination operand of the IMUL instruction may be a memory operand.

Question 14

The binary value of AL after the following instructions have executed is 11100010.
mov al,11000101b
sar al,1

Question 15

The binary value of AL after the following instructions have executed is 11111101.
mov al,11000101b
sar al,4