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.

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

Explore more Topics under Compiler Design

01

Introduction to Compilers

02

Context Free Grammar and Syntax Analysis

03

Topdown Parsing

04

Bottom Up Parsing

05

Syntax Directed Definition and Translations

06

Symbol Table

07

Storage Management

08

Error Handling

09

Code Optimization

10

Code Generation

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?

L/a is always a regular language

L/a is not a regular language

Both of the mentioned

None of the mentioned

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)?

021300211

022111300211

None of the mentioned

Both of the mentioned

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

bbb

All of the mentioned

None of the mentioned

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

D,C

A,B

B,C

A,C

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

Inverse homomorphisma) P is not closed under union

NP is not closed under intersection.

None of the mentioned

Both of the mentioned

Discuss

Answer: (d).Both of the mentioned

Q26.

Ndfa and dfa accept same languages

True

False

May be

Can't say

Discuss

Answer: (a).True

Q27.

If the NFA N has n states, then the corresponding DFA D has 2n states

True

False

May be

Can't say

Discuss

Answer: (a).True

Q28.

An NFA is nothing more than a ε-NFA with no ε transitions

True

False

May be

Can't say

Discuss

Answer: (a).True

Q29.

For every DFA, there is a ε-NFA that accepts the same language

True

False

May be

Can't say

Discuss

Answer: (a).True

Q30.

DFAs, NFAs, and ε-NFA s are equivalent

True

False

May be

Can't say

Discuss

Answer: (a).True

Page 3 of 6

Welcome to the Finite Automata and Regular Expression MCQs Page

Finite Automata and Regular Expression MCQs | Page 3 of 6

Explore more Topics under Compiler Design

Introduction to Compilers

Context Free Grammar and Syntax Analysis

Topdown Parsing

Bottom Up Parsing

Syntax Directed Definition and Translations

Symbol Table

Storage Management

Error Handling

Code Optimization

Code Generation

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