adplus-dvertising

Welcome to the Context Free Languages MCQs Page

Dive deep into the fascinating world of Context Free Languages with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Context Free 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 Context Free 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.

frame-decoration

Check out the MCQs below to embark on an enriching journey through Context Free 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 Context Free Languages. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Context Free Languages MCQs | Page 9 of 12

Discuss
Answer: (b).Pumping lemma for context free languages
Q82.
Which of the expressions correctly is an requirement of the pumping lemma for the context free languages?
Discuss
Answer: (b).uv^nw^nx^ny
Q83.
Let L be a CFL. Then there is an integer n so that for any u that belong to language L satisfying
|t|>=n, there are strings u, v, w, x, y and z satisfying

t=uvwxy.

Let p be the number of variables in CNF form of the context free grammar. The value of n in terms of p :
Discuss
Answer: (c).2p+1
Q84.
Which of the following gives a positive result to the pumping lemma restrictions and requirements?
Discuss
Answer: (b).{0^i1^i|i>=0}
Q85.
Using pumping lemma, which of the following cannot be proved as ‘not a CFL’?
Discuss
Answer: (d).None of the mentioned
Q86.
State true or false:
Statement: We cannot use Ogden’s lemma when pumping lemma fails.
Discuss
Answer: (b).false
Q87.
Which of the following cannot be filled in the blank below?
Statement: There are CFLs L1 nad L2 so that ___________is not a CFL.
Discuss
Answer: (c).L1*
Q88.
The pumping lemma is often used to prove that a language is:
Discuss
Answer: (b).Not context free
Q89.
What is the pumping length of string of length x?
Discuss
Answer: (a).x+1
Q90.
Which of the following does not obey pumping lemma for context free languages ?
Discuss
Answer: (c).Unrestricted languages

Suggested Topics

Are you eager to expand your knowledge beyond Formal Languages and Automata Theory? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!