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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a unit production in a CFG?
💡 Hint: Remember the definition involving only non-terminals.
Question 2
Easy
Given B → C | d, what would the expansion of A → B look like?
💡 Hint: Look for what B can expand to.
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 unit production in a CFG?
- A → B
- A → aB
- Both A and B are terminals
💡 Hint: Remember the format of A → B.
Question 2
Are unit productions beneficial for terminal string generation?
- True
- False
💡 Hint: Think about the direct usefulness in string production.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a grammar with the following productions: B → D | a, A → B, and D → c | e, eliminate the unit productions and show the transformed grammar.
💡 Hint: Replace A with all productions of B.
Question 2
Create an example grammar that requires multiple iterations to remove unit productions and explain the process.
💡 Hint: Identify all unit productions first.
Challenge and get performance evaluation