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Linked List Quiz

Authored by Complementary Tech,Chennai

Engineering

University

Used 2+ times

Linked List Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the time complexity to insert a node at the beginning of a singly linked list (SLL)?

O(n)

O(1)

O(log n)

O(n log n)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a doubly linked list (DLL), each node contains:

Data and one pointer

Only data

Data and two pointers

Data, one pointer, and a flag

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key disadvantage of singly linked lists over doubly linked lists?

Higher memory usage

Cannot traverse backwards

More complex insertion

Slower forward traversal

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct way to delete a node in a doubly linked list?

Adjust only the next pointer

Adjust only the previous pointer

Adjust both next and previous pointers of neighboring nodes

Just set the node to NULL

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is TRUE about circular linked lists?

The last node points to NULL

They can only be singly linked

The last node points to the head

They cannot store integers

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation is generally more efficient in a doubly linked list compared to a singly linked list?

Insertion at the beginning

Traversal in forward direction

Deletion of a given node

Searching an element

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the time complexity to search for an element in a singly or doubly linked list (unsorted)?

O(1)

O(log n)

O(n)

O(n log n)

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