can someone check my answers for 12,13,14 and answer 15 please. Thank you.

What prefix would you use with the STOSB instruction to fill all elements of a string with a single value? REP The _____ instruction copies doublewords from the memory location pointed to by ESI to the memory location pointed to by EDI. MOVSB The _____ instruction compares a word operand pointed to by ESI to a word operand pointed to by EDI. CMPSD What does the following code do? mov eax, 7 mov edi OFESET dArray mov ecx, LENGTHOF dArray cld repne scaled jne L1 Loops 7 times Compares value in EAX to elements in dArray until a value not equal to 7 is found or the end of the array is reached. Compares value in AX to elements in dAmay until a value of 7 is found or the end of the array is reached