3710 Ch 6 and 7

Which of these jump instructions would be used for this unsigned comparison:
<=

• jz

• jle

• jb

• jbe

What is the correct jump condition instruction to go in the blank?

(a)  

CMP is the same as ____, but only updates flags

• SUB

• ADD

• AND

• TEST

What is in ax after the instructions run? (Include the 'h')

(a)  

What is in ax after the instructions run? (Include the 'h')

(a)  

Which register is automatically one of the operands of a 32-bit MUL instruction?

• eax

• ebx

• ecx

• esp

Which of these will not multiply eax by 2?

• shl eax, 1

• lea eax, [eax+eax]

• mul eax, 2

• add eax, eax

Which of these is not used to sign extend operands for IDIV?

• CBW

• CWQ

• CWD

• CDQ