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Quiz on Linked List in DSA

Quiz on Linked List in DSA

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Question 1 of 10

1. Question

What is a Linked List?

A group of sorted arrays
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A structure with fixed memory allocation
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A linear collection of nodes connected using pointers
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A list stored in stack
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Question 2 of 10

2. Question

Which of the following is an advantage of using a linked list over an array?

Faster searching
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Fixed memory size
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Easy insertion and deletion
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Uses less memory
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Question 3 of 10

3. Question

What does each node in a singly linked list contain?

Data only
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Data and one pointer
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Two pointers
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Index value
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Question 4 of 10

4. Question

In a singly linked list, which operation is efficient at the beginning?

Insert at end
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Delete at end
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Insert at beginning
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Reverse the list
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Question 5 of 10

5. Question

What is the time complexity to access the middle element of a singly linked list?

O(1)
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O(log n)
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O(n)
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O(n²)
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Question 6 of 10

6. Question

Which type of linked list allows traversal in both directions?

Singly Linked List
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Doubly Linked List
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Circular Linked List
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Linear List
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Question 7 of 10

7. Question

What is the last node of a singly linked list usually pointing to?

Head node
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Itself
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Null
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Previous node
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Question 8 of 10

8. Question

Which of the following operations is difficult in a singly linked list compared to a doubly linked list?

Insert at front
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Traverse backward
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Traverse forward
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Delete from front
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Question 9 of 10

9. Question

If a linked list contains only one node, what will head->next point to in a singly linked list?

Head
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Null
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Tail
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Itself
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Question 10 of 10

10. Question

What is the best use case of a circular linked list?

A) Sorting numbers
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Managing browser history
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Task scheduling in round-robin fashion
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Searching elements in O(1) time
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