Practice Context-free Grammars (cfg) (5.2) - Context-Free Grammars (CFG) and Languages
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Context-Free Grammars (CFG)

Practice - Context-Free Grammars (CFG)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a terminal in a CFG?

💡 Hint: Think of what appears in the final production string.

Question 2 Easy

What does CFG stand for?

💡 Hint: Consider the role of context in defining these grammars.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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

💡 Hint: Focus on the meaning of 'context-free'.

Question 2

True or False: All programming languages can be expressed using CFGs.

True
False

💡 Hint: Consider the nature of programming structures.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the CFG for balanced parentheses S -> (S) | SS | ε, derive the string '(()())' and explain each step.

💡 Hint: Follow the derivation process for each step.

Challenge 2 Hard

Construct a CFG for nested HTML tags and describe how it captures the syntax of valid tags.

💡 Hint: Think of how opening and closing tags relate.

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Reference links

Supplementary resources to enhance your learning experience.