MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Consider the following doubly linked list: head-1-2-3-4-5-tail. What will be the list after performing the given sequence of operations? |
| A. | head-0-1-2-3-4-5-6-tail |
| B. | head-1-2-3-4-5-6-tail |
| C. | head-6-1-2-3-4-5-0-tail |
| D. | head-0-1-2-3-4-5-tailView Answer |
| Answer» D. head-0-1-2-3-4-5-tailView Answer | |
| 2. |
What is the worst case time complexity of inserting a node in a doubly linked list? |
| A. | O(nlogn) |
| B. | O(logn) |
| C. | O(n) |
| D. | O(1) |
| Answer» D. O(1) | |
| 3. |
What is a memory efficient double linked list? |
| A. | Each node has only one pointer to traverse the list back and forth |
| B. | The list has breakpoints for faster traversal |
| C. | An auxiliary singly linked list acts as a helper list to traverse through the doubly linked list |
| D. | A doubly linked list that uses bitwise AND operator for storing addresses |
| Answer» B. The list has breakpoints for faster traversal | |
| 4. |
WHAT_IS_A_MEMORY_EFFICIENT_DOUBLE_LINKED_LIST??$ |
| A. | Each node has only one pointer to traverse the list back and forth |
| B. | The list has breakpoints for faster traversal |
| C. | An auxiliary singly linked list acts as a helper list to traverse through the doubly linked list |
| D. | None of the mentioned |
| Answer» C. An auxiliary singly linked list acts as a helper list to traverse through the doubly linked list | |
| 5. |
Which of the following is false about a doubly linked list? |
| A. | We can navigate in both the directions |
| B. | It requires more space than a singly linked list |
| C. | The insertion and deletion of a node take a bit longer |
| D. | None of the mentioned |
| Answer» E. | |