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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main purpose of derivation in grammars?
💡 Hint: Think about how strings are formed in context-free grammar.
Question 2
Easy
Define a sentential form.
💡 Hint: Focus on what symbols are allowed in sentential forms.
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 does derivation refer to in the context of grammar?
- A. Creating function definitions
- B. The process of transforming non-terminals into terminals
- C. Writing comments in code
💡 Hint: Focus on what happens to the start symbol.
Question 2
True or False: A sentence can contain non-terminal symbols.
- True
- False
💡 Hint: Remember the differences between sentential forms and sentences.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a set of production rules, demonstrate two different derivations for the same sentence and discuss the implications.
💡 Hint: Clarify which symbols to replace to create each derivation.
Question 2
Explore a context-free grammar that allows for ambiguity. Identify a sentence that can be derived multiple ways and explain the ambiguity.
💡 Hint: Consider the order of operations in arithmetic.
Challenge and get performance evaluation