Which of the following input sequences will always generate a 1 at the output…

GATE · 2005 · IT

Which of the following input sequences will always generate a 1 at the output z at the end of the third cycle?

1. A.

   0 0 0 1 0 1 1 1 1

2. B.

   1 0 1 1 1 0 1 1 1

3. C.

   0 1 1 1 0 1 1 1 1

4. D.

   0 0 1 1 1 0 1 1 1

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