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Welcome to the Finite Automata and Regular Expression MCQs Page

Dive deep into the fascinating world of Finite Automata and Regular Expression with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Finite Automata and Regular Expression, a crucial aspect of Compiler Design. In this section, you will encounter a diverse range of MCQs that cover various aspects of Finite Automata and Regular Expression, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Compiler Design.

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Check out the MCQs below to embark on an enriching journey through Finite Automata and Regular Expression. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Compiler Design.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Finite Automata and Regular Expression. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Finite Automata and Regular Expression MCQs | Page 3 of 6

Q21.
If is a language, and is a symbol, then, the quotient of and, is the set of strings such that is in: is in. Suppose is regular, which of the following statements is true?
Discuss
Answer: (a).L/a is always a regular language
Q22.
Here is a context-free grammar G: S → AB A → 0A1 | 2 B → 1B | 3A which of the following strings are in L (G)?
Discuss
Answer: (d).Both of the mentioned
Q23.
The grammar G: S → SS | a | b is ambiguous. Check all and only the strings that have exactly two leftmost derivations in G
Discuss
Answer: (c).All of the mentioned
Q24.
For the following grammar: S → A | B | 2 A → C0 | D B → C1 | E C → D | E | 3 D → E0 | S E → D1 | S Identify all the unit pairs
Discuss
Answer: (a).D,C
Q25.
The classes of languages P and NP are closed under certain operations, and not closed under others. Decide whether P and NP are closed under each of the following operations.
1. Union

2. Intersection

3. Intersection with a regular language

4. Kleene closure (star)

5. Homomorphism
Discuss
Answer: (d).Both of the mentioned
Q26.
Ndfa and dfa accept same languages
Discuss
Answer: (a).True
Q27.
If the NFA N has n states, then the corresponding DFA D has 2n states
Discuss
Answer: (a).True
Q28.
An NFA is nothing more than a ε-NFA with no ε transitions
Discuss
Answer: (a).True
Q29.
For every DFA, there is a ε-NFA that accepts the same language
Discuss
Answer: (a).True
Q30.
DFAs, NFAs, and ε-NFA s are equivalent
Discuss
Answer: (a).True
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