Multiple choice

Consider the following circuit

The flip-flops are positive edge triggered DFFs. Each state is designated as a two bit string Q0,Q1. Let the initial state be 00. The state transition sequence is

  1. $\underline{00 \rightarrow 11 \rightarrow 01 }$
  2. $\underline{00 \rightarrow 11 }$
  3. $\underline{00 \rightarrow 11 \rightarrow 01 \rightarrow 11 }$
  4. $\underline{00 \rightarrow 11 \rightarrow 01 \rightarrow 01 }$
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D Correct answer
Explanation

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