A. Update the head pointer
B. Update the tail pointer
C. Copy the data from the next node to the current node and delete the next node
D. You cannot delete the node
Answer: Option C
This Question Belongs to Data Structure >> Linked Lists In Data Structures
What is the time complexity of inserting an element at the beginning of a linked list?
A. O(1)
B. O(n)
C. O(log n)
D. O(n log n)
Which of the following is a disadvantage of linked lists compared to arrays?
A. Dynamic size
B. Random access
C. Ease of insertion and deletion
D. Memory overhead
What is a circular linked list?
A. A list where each node points to the next
B. A list where the last node points to the first node
C. A list where each node points to itself
D. A list where the nodes are in a circle
Which of the following is true about a doubly linked list?
A. Each node has one pointer
B. Each node has two pointers
C. It is a type of tree
D. It can be traversed in one direction only
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