cse_105_review_quiz_2_solutions.pdf - CSE 105 Review Quiz 2 Q1 Review the formal definition of a DFA(see p 35 in Sipser 2nd/3rd editions.Let M =(Q Σ δ

cse_105_review_quiz_2_solutions.pdf - CSE 105 Review Quiz 2...

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10/21/2019 CSE 105 Review Quiz 2 ; 2/6 1/1 True False Feedback False. There is nothing in the de±nition that would require there are any arrows that point into the accept states. In more formal terms, it may be that the transition function δ does not lead to any computations that go through an accept state. Q1. Review the formal definition of a DFA (see p 35 in Sipser 2nd/3rd editions).Let M = (Q, Σ , δ , q0, F) be a DFA. True or False: If F contains at least one state, the language of M must be non-empty. *
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10/21/2019 CSE 105 Review Quiz 2 ; 3/6 1/1 None 1 2 3 Infinitely many (but not necessarily every string) Feedback This DFA will accept precisely two different strings: ε (the empty string) and ab. The machine accepts ε because the start state is an accept state (nothing in the de±nition prevents this). The machine accepts ab because when computing on input ab the machine
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