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Welcome to the Theory of Computation(TOC) MCQs Page

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

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Check out the MCQs below to embark on an enriching journey through Theory of Computation(TOC). Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UGC CBSE NET Exam.

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

Theory of Computation(TOC) MCQs | Page 12 of 16

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Q111.
A WFF that is equivalent to the WFF x=>y is:

a.

y=>x

b.

~y=>x

c.

~y=>~x

d.

y=>~x

Discuss
Answer: (b).~y=>x
Q112.
The following deterministic finite automata recognizes:

a.

Set of all strings containing ‘ab’

b.

Set of all strings containing ‘aab’

c.

Set of all strings ending in ‘abab’

d.

None of the above

Discuss
Answer: (d).None of the above
Q113.
The regular expression given below describes:

r=(1+01)*(0+λ)

a.

Set of all string not containing ‘11’

b.

Set of all string not containing ‘00’

c.

Set of all string containing ‘01’

d.

Set of all string ending in ‘0’

Discuss
Answer: (d).Set of all string ending in ‘0’
Q114.
Which of the following language is regular?

a.

L={a^nb^n|n≥1}

b.

L={a^nb^mc^nd^m|n,m≥1}

c.

L={a^nb^m|n,m≥1}

d.

L={anbmcn|n,m≥1}

Discuss
Answer: (c).L={a^nb^m|n,m≥1}
Q115.
Which of the regular expressions corresponds to this grammar ?

S → AB / AS, A → a / aA, B → b

a.

aa*b+

b.

aa*b

c.

(ab)*

d.

a(ab)*

Discuss
Answer: (b).aa*b
Q116.
Which of the following strings is in the language defined by grammar S→0A, A→1A/0A/1

a.

01100

b.

00101

c.

10011

d.

11111

Discuss
Answer: (b).00101
Q117.
The logic of pumping lemma is a good example of:

a.

pigeon hole principle

b.

recursion

c.

divide and conquer technique

d.

iteration

Discuss
Answer: (a).pigeon hole principle
Q118.
Let A = {x | -1< x< 1} = B. The function f(x)=x/2 from A to B is:

a.

injective

b.

surjective

c.

both injective and surjective

d.

neither injective nor surjective

Discuss
Answer: (c).both injective and surjective
Q119.
Which sentence can be generated by S→d/bA, A→d/ccA:

a.

bccddd

b.

aabccd

c.

ababccd

d.

abbbd

Discuss
Answer: (a).bccddd
Q120.
Regular expression a+b denotes the set:

a.

{a}

b.

{ϵ, a, b}

c.

{a, b}

d.

None of these

Discuss
Answer: (c).{a, b}
Page 12 of 16

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