What is a linked list?

Understanding Linked Lists

Quiz
•
Computers
•
12th Grade
•
Medium
anniejennifer J
Used 1+ times
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A linked list is a data structure that only contains a single node with no connections.
A linked list is a type of array that stores elements in contiguous memory locations.
A linked list is a collection of unordered elements without any references.
A linked list is a data structure made up of nodes, where each node contains a value and a reference to the next node.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main types of linked lists?
Singly Linked List, Doubly Linked List, Circular Linked List, Circular Doubly Linked List
Triple Linked List
Singly Circular List
Doubly Circular List
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a singly linked list differ from a doubly linked list?
A singly linked list requires more memory than a doubly linked list due to its structure.
A singly linked list can store multiple data types, while a doubly linked list can only store one data type.
A singly linked list allows traversal in one direction, while a doubly linked list allows traversal in both directions.
A singly linked list has a fixed size, while a doubly linked list can grow dynamically.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time complexity of inserting an element in a linked list?
O(1) for traversal only
O(n) for all cases
O(1) if position is known, O(n) if traversal is needed
O(log n) if position is known
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of a head and tail in a linked list.
The head is the last node, and the tail is the first node of a linked list.
The head and tail are both the same node in a linked list.
The head is the first node, and the tail is the last node of a linked list.
The head is the middle node, and the tail is the second node of a linked list.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a circular linked list?
A circular linked list is a linked list that only allows traversal in one direction.
A circular linked list is a type of array.
A circular linked list is a linked list where nodes are arranged in a straight line.
A circular linked list is a linked list where the last node points to the first node, creating a circular structure.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you reverse a linked list?
Sort the linked list in ascending order.
Reverse the linked list by iterating through it and reversing the pointers.
Swap the head and tail nodes only.
Delete the linked list and create a new one.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the advantages of using linked lists over arrays?
Higher memory overhead
Advantages of linked lists over arrays include dynamic size, efficient insertions/deletions, and better memory management.
Slower search times
Fixed size allocation
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe how to detect a cycle in a linked list.
Count the number of nodes and check if it exceeds a certain limit.
Use Floyd's Cycle-Finding Algorithm with two pointers moving at different speeds.
Use a single pointer to traverse the list and check for duplicates.
Reverse the linked list and compare it to the original.
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