MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structures and Algorithms knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the output of the following Java code? |
| A. | 3 3 |
| B. | 3 6 |
| C. | 6 6 |
| D. | 10 6View Answer |
| Answer» B. 3 6 | |
| 2. |
What is the space complexity of a linear queue having n elements? |
| A. | O(n) |
| B. | O(nlogn) |
| C. | O(logn) |
| D. | O(1) |
| Answer» B. O(nlogn) | |
| 3. |
What does the following Java code do? |
| A. | Dequeue |
| B. | Enqueue |
| C. | Return the front element |
| D. | Return the last elementView Answer |
| Answer» D. Return the last elementView Answer | |
| 4. |
What is the need for a circular queue? |
| A. | effective usage of memory |
| B. | easier computations |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» B. easier computations | |
| 5. |
Dequeue |
| A. | Enqueue |
| B. | Return the front element |
| C. | None of the mentioned |
| Answer» B. Return the front element | |
| 6. |
What is the time complexity of enqueue operation? |
| A. | O(logn) |
| B. | O(nlogn) |
| C. | O(n) |
| D. | O(1) |
| Answer» E. | |
| 7. |
What is the term for inserting into a full queue known as? |
| A. | overflow |
| B. | underflow |
| C. | null pointer exception |
| D. | all of the mentioned |
| Answer» B. underflow | |
| 8. |
In a circular queue, how do you increment the rear end of the queue? |
| A. | rear++ |
| B. | (rear+1) % CAPACITY |
| C. | (rear % CAPACITY)+1 |
| D. | rear– |
| Answer» C. (rear % CAPACITY)+1 | |
| 9. |
Which of the following properties is associated with a queue? |
| A. | First In Last Out |
| B. | First In First Out |
| C. | Last In First Out |
| D. | None of the mentioned |
| Answer» C. Last In First Out | |