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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a terminal in a CFG?
π‘ Hint: Think of what appears in the final production string.
Question 2
Easy
What does CFG stand for?
π‘ Hint: Consider the role of context in defining these grammars.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is a Context-Free Grammar?
- A grammar with finite states
- A grammar with no restrictions on production rules
- A grammar where each production replaces a non-terminal regardless of context
π‘ Hint: Focus on the meaning of 'context-free'.
Question 2
True or False: All programming languages can be expressed using CFGs.
- True
- False
π‘ Hint: Consider the nature of programming structures.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the CFG for balanced parentheses S -> (S) | SS | Ξ΅, derive the string '(()())' and explain each step.
π‘ Hint: Follow the derivation process for each step.
Question 2
Construct a CFG for nested HTML tags and describe how it captures the syntax of valid tags.
π‘ Hint: Think of how opening and closing tags relate.
Challenge and get performance evaluation