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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 3 of 8

Q21.
The context free grammar which generates a Regular Language is termed as:
Discuss
Answer: (b).Regular Grammar
Discuss
Answer: (a).Non-Deterministic Push Down Automata
Q23.
The production of the form A->B , where A and B are non terminals is called
Discuss
Answer: (b).Unit production
Q24.
Halting states are of two types. They are:
Discuss
Answer: (a).Accept and Reject
Q25.
A push down automata can be represented as:
PDA= ε-NFA +[stack]

State true or false:
Discuss
Answer: (a).true
Q26.
A pushdown automata can be defined as: (Q, ∑, G, q0, z0, A, d)
What does the symbol z0 represents?
Discuss
Answer: (d).all of the mentioned
Q27.
Which of the following correctly recognize the symbol ‘|-‘ in context to PDA?
Discuss
Answer: (a).Moves
Q28.
Which among the following is true for the given statement?
Statement :If there are strings R and T in a language L so that R is prefix of T and R is not equivalent to T.
Discuss
Answer: (a).No DPDA can accept L by empty stack
Discuss
Answer: (d).None of the mentioned
Q30.
For a counter automaton, with the symbols A and Z0, the string on the stack is always in the form of __________
Discuss
Answer: (b).A^nZ0, n>=0
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