A certain BCD-to-decimal decoder has active-HIGH inputs and active-LOW outputs. Which output goes LOW when the inputs are 1001?

A certain BCD-to-decimal decoder has active-HIGH inputs and active-LOW

1.	A certain BCD-to-decimal decoder has active-HIGH inputs and active-LOW outputs. Which output goes LOW when the inputs are 1001?
A.	0
B.	3
C.	9
D.	None. All outputs are HIGH.
Answer» D. None. All outputs are HIGH.