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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does PDA stand for?
💡 Hint: What is the first part of the term describing this automaton?
Question 2
Easy
How many components are in the 7-tuple that defines a PDA?
💡 Hint: Count the elements in the defined tuple.
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 acronym PDA stand for?
- Perfectly Deterministic Automaton
- Pushdown Automaton
- Partial Deterministic Automaton
💡 Hint: Focus on the purpose of the automaton.
Question 2
True or False: PDAs can only accept strings by reaching a final state.
- True
- False
💡 Hint: Consider the two methods of acceptance for a PDA.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a PDA that accepts the language of strings of the form a^n b^n for n >= 0 and define its components.
💡 Hint: Think about how you balance counts of 'a's and 'b's.
Question 2
Show that the language L = { a^n b^m c^n | n,m >= 0 } is beyond the capabilities of a PDA.
💡 Hint: Consider how a PDA’s stack would behave with different symbols.
Challenge and get performance evaluation