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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the Shift action in parsing?
💡 Hint: Think about how the parser manages incoming tokens.
Question 2
Easy
What happens when the parser performs a Reduce?
💡 Hint: Consider how these actions simplify the stack.
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 the Shift action do in parsing?
- Moves the next token to the stack
- Replaces symbols on the stack
- Confirms syntax is correct
💡 Hint: Think about how the parser collects tokens.
Question 2
Reduce actions replace sequences with what?
- Terminals
- Start symbols
- Non-terminals
💡 Hint: Consider what represents a complete structure in parsing.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using the grammar E -> E + E | ID, demonstrate how '5 + 3 + 7' would be parsed step by step, showing each state of the stack.
💡 Hint: Try to visualize how each shift and reduction changes the stack.
Question 2
Explain how ambiguity in grammar could affect Shift-Reduce parsing and provide an alternative solution.
💡 Hint: Think about how precedence can clarify operator order.
Challenge and get performance evaluation