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Questions and Answers
Which of the following statements is true about linked lists?
Which of the following statements is true about linked lists?
- Linked lists allow for efficient insertion or removal of elements at any position. (correct)
- Each element in a linked list points to the previous element.
- Linked lists can only be traversed in a forward direction.
- Linked lists store data elements in a random order in memory.
What is the main advantage of using linked lists?
What is the main advantage of using linked lists?
- Linked lists can store data elements in a contiguous block of memory.
- Linked lists have a fixed size and cannot be resized.
- Linked lists provide faster access to data compared to arrays. (correct)
- Linked lists allow for random access to elements.
What is a drawback of using linked lists?
What is a drawback of using linked lists?
- Linked lists have a higher memory overhead compared to arrays. (correct)
- Linked lists can only store a limited number of elements.
- Linked lists cannot be used to implement other data structures.
- Linked lists have constant time complexity for data access.
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Study Notes
Linked Lists
- One of the true statements about linked lists is that they can dynamically allocate and deallocate memory as elements are added or removed.
Advantages of Linked Lists
- The main advantage of using linked lists is that they can efficiently insert or delete elements at any position in the list, with a time complexity of O(1).
Drawbacks of Linked Lists
- A drawback of using linked lists is that they have a slower search time compared to arrays, with a time complexity of O(n), because each element must be traversed in sequence to find a specific element.
- Another drawback is that they require more memory than arrays, because each element must store a pointer to the next element in the list.
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