Hi! Could you please solve the following problem? It has to be solved step by step, showing all steps and explaining why the given conclusion is correct. Possibly on PC typing with keyboard and not by handwriting. Thanks

Note:

The answers "test bl, 11111100b" and "test al, 00000011b" are wrong!

Which of the instructions should be added to the code fragment below to check whether both Shift keys are currently down? See corresponding keyboard status bits in the picture: Insert ON Caps Lock ON NumLock ON ScrollLock ON Alt Down Ctrl Down LShift Down RShift Down 0000:0417 xor ax, ax mov es, ax mov bl, es:0417h ; MISSING INSTRUCTION jz noShift Choose missing instruction to insert in the code line marked by the comment "MISSING INSTRUCTION". test bl, 11111100b or bl, 3 xor al, 000000116 o test al, 00000011b O and bl, 00000011b