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Understanding Single Linked Lists

Authored by Humayun Majeed

Other

12th Grade

Used 1+ times

Understanding Single Linked Lists
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a single linked list?

A single linked list is a linear data structure where each element points to the next, forming a chain.

A single linked list is a type of tree structure.

A single linked list is a circular data structure where elements do not point to the next.

A single linked list is a collection of unordered elements.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the structure of a node in a linked list.

A node in a linked list contains a data field and a pointer to the next node.

A node in a linked list contains only a data field.

A node in a linked list is a fixed-size structure without pointers.

A node in a linked list has multiple pointers to different nodes.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the process of inserting a node at the beginning of a linked list.

Insert a new node at the beginning by updating the head to the new node and linking it to the previous head.

Remove the last node and add a new node in its place.

Create a new list and copy all nodes from the old list.

Insert a new node at the end of the list and update the tail.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the steps to insert a node at the end of a linked list?

Insert a new node at the end of the linked list by traversing to the last node and updating its next pointer.

Insert a new node in the middle of the linked list.

Delete the last node and insert a new one in its place.

Insert a new node at the beginning of the linked list.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you delete a node from a linked list?

Copy the next node's value to the current node and delete the next node.

Add the node to the end of the list instead of deleting it.

Remove the node by setting its value to null.

Update the previous node's next pointer to skip the node to be deleted.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the time complexity of deleting a node in a linked list?

O(n) if searching is required, O(1) if the node is known.

O(1) for all cases

O(log n) if the list is sorted

O(n) for all cases

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain how to traverse a linked list.

Traverse the list by jumping two nodes at a time.

Start at the head, process each node, and move to the next until the end.

Only process the first node and ignore the rest.

Start at the tail and process each node in reverse order.

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