![Consider the sequential circuit shown in the figure, where both flip-flops used are positive edge-triggered D flip-flops](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Consider-the-sequential-circuit-shown-in-the-figure-where-both-flip-flops-used-are-positive-edge-triggered-D-flip-flops.jpg)
Q. Consider the sequential circuit shown in the figure, where both flip-flops used are positive edge-triggered D flip-flops.
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Screenshot-958.png)
The number of states in the state transition diagram of this circuit that have a transition back to the same state on some value of “in” is .
Ans: 2