Q2 . Mention whether the following instructions are right or not? If not, then explain why it is so. And finally explain their operation: MOV [SI], DS INSB MOV SS, DS REP LODSB Q. 3 Explain what happens when the POPA instruction executes. Make sure to show the physical addresses from where data are retrieved. (Assume that SP = 1FF8H and SS = 0000H before execution.) Explain what happens when the POPA instruction executes. Make sure to show the Q. 3 physical addresses from where data are retrieved. (Assume that SP = 1FF8H and SS = 0000H before execution.).