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Welcome to the Push Down Automata MCQs Page

Dive deep into the fascinating world of Push Down Automata with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Push Down Automata, 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 Push Down Automata, 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 Push Down Automata. 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 Push Down Automata. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Push Down Automata MCQs | Page 1 of 8

Explore more Topics under Formal Languages and Automata Theory

Q1.
Which of the following option resembles the given PDA?

a.

{0^n1^n|n>=0}

b.

{0^n1^2n|n>=0}

c.

{0^2n1^n|n>=0}

d.

None of the mentioned

Discuss
Answer: (a).{0^n1^n|n>=0}
Q2.
Which of the following correctly resembles the given state diagram?

a.

{ww^r|w=(a+b)*}

b.

ε is called the initial stack symbol

c.

Both (a) and (b)

d.

None of the mentioned

Discuss
Answer: (a).{ww^r|w=(a+b)*}
Q3.
A push down automaton employs ________ data structure.

a.

Queue

b.

Linked List

c.

Hash Table

d.

Stack

Discuss
Answer: (d).Stack
Q4.
State true or false:
Statement: The operations of PDA never work on elements, other than the top.

a.

true

b.

false

c.

may be

d.

Can't say

Discuss
Answer: (a).true
Q5.
Which of the following allows stacked values to be sub-stacks rather than just finite symbols?

a.

Push Down Automaton

b.

Turing Machine

c.

Nested Stack Automaton

d.

None of the mentioned

Discuss
Answer: (c).Nested Stack Automaton
Q6.
A non deterministic two way, nested stack automaton has n-tuple definition. State the value of n.

a.

5

b.

8

c.

4

d.

10

Discuss
Answer: (d).10
Q7.
Push down automata accepts _________ languages.

a.

Type 3

b.

Type 2

c.

Type 1

d.

Type 0

Discuss
Answer: (b).Type 2
Q8.
The class of languages not accepted by non deterministic, nonerasing stack automata is _______

a.

NSPACE(n2)

b.

NL

c.

CSL

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q9.
A push down automaton with only symbol allowed on the stack along with fixed symbol.

a.

Embedded PDA

b.

Nested Stack automata

c.

DPDA

d.

Counter Automaton

Discuss
Answer: (d).Counter Automaton
Q10.
Which of the operations are eligible in PDA?

a.

Push

b.

Delete

c.

Insert

d.

Pop

Discuss
Answer: (a).Push
Page 1 of 8

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