EC > GATE 2014 SET-1 > Sequential Circuits
The digital logic shown in the figure satisfies the given state diagram when Q1 is connected to input A of the XOR gate.
Suppose the XOR gate is replaced by an XNOR gate. Which one of the following options preserves the state diagram?
A
Input A is connected to Q2ฬ…
B
Input A is connected to Q2
C
Input A is connected to Q1ฬ… and S is complemented
D
Input A is connected to Q1ฬ…

Explanation

Correct : d

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