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Which type of linked list allows traversal in both directions?
- a)Singly linked list.
- b)Doubly linked list.
- c)Circular linked list.
- d)Static linked list.
Correct answer is option 'B'. Can you explain this answer?
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Which type of linked list allows traversal in both directions?a)Singly...
Doubly linked lists allow traversal in both directions by having pointers to both the previous and next nodes.
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Which type of linked list allows traversal in both directions?a)Singly...
Explanation:
Doubly Linked List:
- Doubly linked list allows traversal in both directions because each node contains a pointer to the next node as well as a pointer to the previous node.
- This means that you can traverse the list forward by following the next pointers from the head node to the tail node, and you can also traverse the list backward by following the previous pointers from the tail node to the head node.
- In addition to traversal in both directions, doubly linked lists also allow for easy insertion and deletion of nodes at any position in the list, as you can easily update the next and previous pointers of neighboring nodes.
- However, doubly linked lists require more memory per node compared to singly linked lists due to the extra pointer for the previous node.
- Despite the additional memory overhead, the ability to traverse in both directions and perform efficient insertions and deletions makes doubly linked lists a popular choice for certain applications where these features are important.
Overall, doubly linked lists are a versatile data structure that provides efficient traversal in both directions, making them suitable for a wide range of programming tasks.
Doubly Linked List:
- Doubly linked list allows traversal in both directions because each node contains a pointer to the next node as well as a pointer to the previous node.
- This means that you can traverse the list forward by following the next pointers from the head node to the tail node, and you can also traverse the list backward by following the previous pointers from the tail node to the head node.
- In addition to traversal in both directions, doubly linked lists also allow for easy insertion and deletion of nodes at any position in the list, as you can easily update the next and previous pointers of neighboring nodes.
- However, doubly linked lists require more memory per node compared to singly linked lists due to the extra pointer for the previous node.
- Despite the additional memory overhead, the ability to traverse in both directions and perform efficient insertions and deletions makes doubly linked lists a popular choice for certain applications where these features are important.
Overall, doubly linked lists are a versatile data structure that provides efficient traversal in both directions, making them suitable for a wide range of programming tasks.
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Which type of linked list allows traversal in both directions?a)Singly linked list.b)Doubly linked list.c)Circular linked list.d)Static linked list.Correct answer is option 'B'. Can you explain this answer?
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