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GATE CSE 2006 | Question: 37

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Consider the circuit in the diagram. The $\oplus$ operator represents Ex-OR. The D flip-flops are initialized to zeroes (cleared).

The following data: $100110000$ is supplied to the “data” terminal in nine clock cycles. After that the values of $q_{2}q_{1}q_{0}$ are:

  1. $000$
  2. $001$
  3. $010$
  4. $101$
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answer - A

q0 = data

q1 = q0 exor q2

q2 = q1
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