Card 50 / 68: The instruction AND AH,11110111 is equivalent to:
A)
Sub AH, 8, if 4th bit of AH is set
B)
Sub AH, 8, if 4th bit of AH is cleared
C)
Sub AH, 4, if 4th bit of AH is set
Answer:
A) Sub AH, 8, if 4th bit of AH is set
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