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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.
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Context Free Languages MCQs | Page 6 of 12
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For A-> e ,A can be erased. So whenever it appears on the left side of a production, replace with another production without the A.
State true or false:
S->aXb
X->aXb | e
A->e
B->aAbC
B->bAbA
A->bB
The number of productions added on the removal of the nullable in the given grammar:
A-> x1x2x3…xn
put into P’ that production as well as all those generated by replacing null variables with e in all possible combinations. If all x(i) are nullable,
S->ABaC
A->BC
B->b| e
C->D| e
D-> d
Remove the e productions and generate the number of productions from S in the modified or simplified grammar.
Number of productions in P’ after removal of useless symbols:
S->aS| AB
A-> e
B-> e
D-> b
Reduce the grammar, removing all the e productions:
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