Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define 'derivation' in the context of context-free grammars.
💡 Hint: Think about the production rules in grammar.
Question 2
Easy
What is a sentential form?
💡 Hint: Consider how strings are formed from the start symbol.
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 the process of turning a starting symbol into a string using production rules called?
- Parsing
- Derivation
- Validation
💡 Hint: Consider how we form new strings from grammar.
Question 2
A sentence in a grammar contains what types of symbols?
- Only Terminal Symbols
- Non-terminal Symbols
💡 Hint: Think about what completes a valid program statement.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Define an ambiguous grammar and provide a sentence that can be derived in at least two distinct ways. Illustrate both parse trees.
💡 Hint: Consider how the operation order defines its structure.
Question 2
Construct a set of production rules that clearly define precedence and associativity for arithmetic expressions and demonstrate how they resolve ambiguity.
💡 Hint: Think about how order in operations is implemented uniquely through the grammar.
Challenge and get performance evaluation