
Understanding Data Structures

Quiz
•
Other
•
University
•
Hard
Harish Chaudhary
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a singly linked list?
A singly linked list is a collection of elements stored in a matrix format.
A singly linked list is a circular data structure where elements are connected in a loop.
A singly linked list is a data structure that allows random access to elements.
A singly linked list is a linear data structure where each element points to the next, forming a chain.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you insert a node in a singly linked list?
Add a new node by deleting the last node.
Create a new list and copy all nodes to it.
Insert a new node by reversing the list.
Insert a new node by adjusting pointers in the linked list.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the advantages of using a doubly linked list over a singly linked list?
Singly linked lists allow for faster insertion at both ends.
Doubly linked lists allow bidirectional traversal, easier node deletion, and more efficient algorithms.
Doubly linked lists use less memory than singly linked lists.
Doubly linked lists can only be traversed in one direction.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain how to delete a node from a doubly linked list.
Remove the head node only.
Reverse the entire list.
Adjust pointers of adjacent nodes and free the node.
Replace the node with a new one.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time complexity of accessing an element in a linked list?
O(log n)
O(n)
O(1)
O(n^2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the main operations of a queue.
Add, Remove, Check, Count
Insert, Remove, View, Empty
Push, Pop, Top, IsFull
The main operations of a queue are Enqueue, Dequeue, Peek, IsEmpty, and Size.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a queue and a stack?
A queue uses LIFO, while a stack uses FIFO.
A stack allows random access, while a queue does not.
Both queue and stack use FIFO.
A queue uses FIFO, while a stack uses LIFO.
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