In the circuit shown, what are the values of F for EN = 0 and EN = 1, respectively?

Q. In the circuit shown, what are the values of F for EN = 0 and EN = 1, respectively?

(A) 0 and D

(B) Hi-Z and D

(C) 0 and 1

(D)  Hi-Z and D̅

Ans: Hi-Z and D̅