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Questions and Answers
Which of the following best describes a linked list?
Which of the following best describes a linked list?
- A data structure that stores elements in a random manner.
- A data structure that stores elements in a linear manner. (correct)
- A data structure that stores elements in a circular manner.
- A data structure that stores elements in a hierarchical manner.
What are the types of linked lists?
What are the types of linked lists?
- Singly linked list, doubly linked list, and circular linked list. (correct)
- Binary linked list, ternary linked list, and quad linked list.
- Stack linked list, queue linked list, and tree linked list.
- Heap linked list, graph linked list, and hash linked list.
Which type of linked list allows traversal in both directions?
Which type of linked list allows traversal in both directions?
- Stack linked list
- Singly linked list
- Doubly linked list (correct)
- Circular linked list
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Study Notes
Linked Lists
- A linked list is a dynamic collection of nodes, each of which contains a value and a reference (i.e., a "link") to the next node in the list.
- This allows for efficient insertion and deletion of nodes at any position in the list.
Types of Linked Lists
- There are three primary types of linked lists: singly linked lists, doubly linked lists, and circularly linked lists.
Doubly Linked Lists
- A doubly linked list is a type of linked list that allows traversal in both directions, i.e., from the beginning to the end and from the end to the beginning.
- Each node in a doubly linked list contains two references: one to the next node and one to the previous node.
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