Topic: Algorithm-conceptual-questions / Level: Beginner

• 1. What is an algorithm?
• 2. Describe the difference between an algorithm and a program.
• 3. What are the characteristics of a good algorithm?
• 4. Explain the term "time complexity."
• 5. What is "space complexity" in the context of algorithms?
• 6. Define "input" and "output" in an algorithm.
• 7. What is a flowchart?
• 8. How do you represent an algorithm using pseudocode?
• 9. What is the importance of defining a base case in a recursive algorithm?
• 10. Describe the divide-and-conquer strategy.
• 11. What is linear search? Provide a brief description.
• 12. Explain binary search and how it differs from linear search.
• 13. What is the significance of sorting algorithms?
• 14. Compare bubble sort and selection sort.
• 15. What is a stable sort? Give an example.
• 16. Explain the concept of recursion.
• 17. What is a greedy algorithm? Provide an example.
• 18. Describe dynamic programming.
• 19. What is backtracking? How does it work?
• 20. What are the advantages of using algorithms?
• 21. Define "big O notation."
• 22. What is a data structure, and how is it related to algorithms?
• 23. What are the differences between arrays and linked lists?
• 24. Explain the concept of a stack.
• 25. What is a queue, and how does it work?
• 26. Describe a hash table and its purpose.
• 27. What are trees in data structures?
• 28. Explain the binary tree concept.
• 29. What is a binary search tree?
• 30. Describe a graph and its components.

• More Levels

• Intermediate
• Advanced