Applications of stacks (expression evaluation, recursion) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 14, 2025

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1. : In which of the following applications is a stack commonly used?



2. : Which data structure is often used for implementing the undo feature in text editors?



3. : What is the primary advantage of using a stack in expression evaluation?



4. : Which of the following is NOT a valid application of a stack?



5. : What is the role of a stack in evaluating postfix expressions?



6. : Which of the following expressions is equivalent to the postfix expression “3 4 + 5”?



7. : In expression evaluation using a stack, what is done when encountering an operand?



8. : What is the primary purpose of using a stack in recursion?



9. : Which of the following describes the behavior of a stack during recursion?



10. : What is tail recursion?



11. : Which of the following statements about postfix expressions is true?



12. : What is the time complexity of evaluating an arithmetic expression using a stack-based approach?



13. : Which of the following operations is NOT typically performed using a stack in algorithm design?



14. : In an infix expression, how are parentheses handled during evaluation using a stack?



15. : Which data structure is typically used to implement a stack in programming languages?



16. : What is the main advantage of using postfix notation in expressions?



17. : Which of the following is a valid postfix notation for the infix expression “a + b * c”?



18. : What is the key advantage of using postfix notation for arithmetic expressions?



19. : In recursion, what is the base case?



20. : Which of the following is NOT a limitation of using recursion?



 

 

Data Structures MCQs

Basic Concepts

  1. Introduction to Data Structures
  2. Complexity Analysis MCQs

Linear Data Structures MCQs

  1. Arrays MCQs
  2. Linked Lists MCQs
  3. Stacks MCQs
  4. Queues MCQs

Non-Linear Data Structures MCQs

  1. Trees MCQs
  2. Heaps MCQs
  3. Graphs MCQs

Hashing MCQs MCQs

  1. Hash Tables

Sorting and Searching Algorithms MCQs 

  1. Sorting Algorithms MCQs
  2. Searching Algorithms MCQs

Miscellaneous

  1. Memory Management in data structures MCQs
  2. String Manipulation Algorithms MCQs
  1. Data Structures MCQs 1
  2. Data Structures MCQs 2
  3. Data Structures MCQs 3
  4. Data Structures MCQs 4
  5. Data Structures MCQs 5
  6. Stacks Solved MCQs
  7. Queues MCQs
  8. pointer mcqs
  9. Array MCQs

 

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