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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.

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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

Q31.
Which of the following is/are an example of pigeon hole principle?

a.

Softball team

b.

Sock picking

c.

Hair counting

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q32.
Pigeonhole principle can be applied in the following computer science algorithms:

a.

hashing algorithm

b.

lossless compression algorithm

c.

both a and b

d.

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:

a.

at least 2 objects

b.

at most 2 objects

c.

no object

d.

none of the mentioned

Discuss
Answer: (c).no object
Q34.
Which of the following fields may have pigeonhole principle violated?

a.

Discrete mathematics

b.

Computer Science

c.

Quantum Mechanics

d.

None of the mentioned

Discuss
Answer: (c).Quantum Mechanics
Q35.
Which of the following is not an application of Pumping Lemma?

a.

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

b.

{0^ix|i>=0, x∈{0, 1}* and |x|<=i}

c.

{0^n| n is prime}

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q36.
Which of the following can refer a language to be non regular?

a.

Pumping Lemma

b.

Myphill Nerode

c.

both a and b

d.

None of the mentioned

Discuss
Answer: (c).both a and b
Q37.
Which of the following is not an example of counting argument?

a.

Pigeonhole principle

b.

Dirichlet’s drawer principle

c.

Dirichlet’s box principle

d.

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.

a.

open

b.

closed

c.

decidable

d.

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:

a.

1/4 L will be regular

b.

1/2 L will be regular

c.

1/8 L will be regular

d.

Al of the mentioned

Discuss
Answer: (d).Al of the mentioned
Q40.
If L1′ and L2′ are regular languages, then L1.L2 will be

a.

regular

b.

non regular

c.

may be regular

d.

none of the mentioned

Discuss
Answer: (a).regular
Page 4 of 8

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