Exam-style question
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A Mealy machine starts in state A. Its transitions are A --x/1--> B, B --y/0--> A, and A --y/0--> A. What output is produced when the input sequence is xy?.
- A.00
- B.01
- C.10
- D.11
Model answer
What a good answer should say
- 01
Explanation
Why this works
Starting in A, input x follows A to B and produces 1. In B, input y follows B to A and produces 0.
The output sequence is therefore 10, not 01.
Common mistake
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