1. Is aba accepted? a. Yes b. No c. Unknown, because the machine is nondeterministic 2. What is the shortest string beginning with ‘a’ that is not accepted by this NFA? a. ab b. abb c. abbb d. abbbb e. None of the above 3. Consider the possibility of a DFA equivalent to the above NFA. Which of the following statements is true? Check all that apply. a. An equivalent DFA does not exist b. The product construction can be used to construct an equivalent DFA c. The subset construction can be used to construct an equivalent DFA d. An equivalent DFA can be built with state labels a subset of 2^Q where Q={0, 1, 2, 3} is the set of states of the NFA.
1. Is aba accepted? a. Yes b. No c. Unknown, because the machine is nondeterministic 2. What is the shortest string beginning with ‘a’ that is not accepted by this NFA? a. ab b. abb c. abbb d. abbbb e. None of the above 3. Consider the possibility of a DFA equivalent to the above NFA. Which of the following statements is true? Check all that apply. a. An equivalent DFA does not exist b. The product construction can be used to construct an equivalent DFA c. The subset construction can be used to construct an equivalent DFA d. An equivalent DFA can be built with state labels a subset of 2^Q where Q={0, 1, 2, 3} is the set of states of the NFA.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
1. Is aba accepted?
a. Yes
b. No
c. Unknown, because the machine is nondeterministic
2. What is the shortest string beginning with ‘a’ that is not accepted by this NFA?
a. ab
b. abb
c. abbb
d. abbbb
e. None of the above
3. Consider the possibility of a DFA equivalent to the above NFA. Which of the following statements is true? Check all that apply.
a. An equivalent DFA does not exist
b. The product construction can be used to construct an equivalent DFA
c. The subset construction can be used to construct an equivalent DFA
d. An equivalent DFA can be built with state labels a subset of 2^Q where Q={0, 1, 2, 3} is the set of states of the NFA.
Transcribed Image Text:Consider the following NFA for the next four questions.
start
a
و: ومبه
a
a
2
a
b
3
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