Welcome to the Regular Languages MCQs Page

Dive deep into the fascinating world of Regular Languages with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Regular Languages, a crucial aspect of Formal Languages and Automata Theory. In this section, you will encounter a diverse range of MCQs that cover various aspects of Regular Languages, 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 Formal Languages and Automata Theory.

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

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

Regular Languages MCQs | Page 4 of 8

Explore more Topics under Formal Languages and Automata Theory

01

Basics of Automata Theory

02

Finite Automata

03

DFA Minimization

04

Context Free Grammars

05

Regular Expressions

06

Push Down Automata

07

Context Free Languages

08

Introduction to Turing Machines

09

Undecidability and Intractable Problems

Q31.

Which of the following is/are an example of pigeon hole principle?

Softball team

Sock picking

Hair counting

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q32.

Pigeonhole principle can be applied in the following computer science algorithms:

hashing algorithm

lossless compression algorithm

both a and b

none of the mentioned

Discuss

Answer: (c).both a and b

Q33.

If n objects are distributed over m places, and n < m, then some of the places receive:

at least 2 objects

at most 2 objects

no object

none of the mentioned

Discuss

Answer: (c).no object

Q34.

Which of the following fields may have pigeonhole principle violated?

Discrete mathematics

Computer Science

Quantum Mechanics

None of the mentioned

Discuss

Answer: (c).Quantum Mechanics

Q35.

Which of the following is not an application of Pumping Lemma?

{0^i1^i|i>=0}

{0^ix|i>=0, x∈{0, 1}* and |x|<=i}

{0^n| n is prime}

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q36.

Which of the following can refer a language to be non regular?

Pumping Lemma

Myphill Nerode

both a and b

None of the mentioned

Discuss

Answer: (c).both a and b

Q37.

Which of the following is not an example of counting argument?

Pigeonhole principle

Dirichlet’s drawer principle

Dirichlet’s box principle

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q38.

If L1, L2 are regular and op(L1, L2) is also regular, then L1 and L2 are said to be ____________ under an operation op.

open

closed

decidable

none of the mentioned

Discuss

Answer: (b).closed

Q39.

Suppose a regular language L is closed under the operation halving, then the result would be:

1/4 L will be regular

1/2 L will be regular

1/8 L will be regular

Al of the mentioned

Discuss

Answer: (d).Al of the mentioned

Q40.

If L1′ and L2′ are regular languages, then L1.L2 will be

regular

non regular

may be regular

none of the mentioned

Discuss

Answer: (a).regular

Page 4 of 8

Welcome to the Regular Languages MCQs Page

Regular Languages MCQs | Page 4 of 8

Explore more Topics under Formal Languages and Automata Theory

Basics of Automata Theory

Finite Automata

DFA Minimization

Context Free Grammars

Regular Expressions

Push Down Automata

Context Free Languages

Introduction to Turing Machines

Undecidability and Intractable Problems

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