Welcome to the Finite Automata and Regular Expression MCQs Page

Dive deep into the fascinating world of Finite Automata and Regular Expression with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Finite Automata and Regular Expression, a crucial aspect of Compiler Design. In this section, you will encounter a diverse range of MCQs that cover various aspects of Finite Automata and Regular Expression, 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 Compiler Design.


Check out the MCQs below to embark on an enriching journey through Finite Automata and Regular Expression. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Compiler Design.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Finite Automata and Regular Expression. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Finite Automata and Regular Expression MCQs | Page 1 of 6

Which type string is accepted by the following finite automata?
Answer: (b).Null string
Answer: (a).Larger than
For every NFA a deterministic finite automaton (DFA) can be found that accepts the same language.
Answer: (a).True
Like DFAs, NFAs only recognize regular languages
Answer: (a).True
For any DFA state {qi,qj…qm} If some qj is a final state in the NFA Then {qi,qj…qm}, is a final state in the DFA.True or False
Answer: (a).True
Is empty string a valid input in Ndfa
Answer: (a).True
Given the language L = {ab, aa, baa}, whih of the following strings are in L*?
1) abaabaaabaa

2) aaaabaaaa

3) baaaaabaaaab

4) baaaaabaa
Answer: (c).1, 2 and 4
Which of the following problems occur?
1) Does a given program ever produce an output?

2) If L is a CFL, then is L’ is also context-free?

3)L’ is regular only if L is regular?

4) If L is a recursive language, then, L’ is also recursive?
Answer: (d).3, 4
Definition of a language L with alphabet {a} is given as following. L= { ank | k > 0, and n is a positive integer constant} What is the minimum number of states needed in a DFA to recognize L?
Answer: (b).n+1
S –> aSa| bSb| a| b ;the language generated by the above grammar is the set of
Answer: (b).All odd length palindromes
Page 1 of 6

Suggested Topics

Are you eager to expand your knowledge beyond Compiler Design? 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!