Explore topic-wise MCQs in Data Structures and Algorithms.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structures and Algorithms knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is true about linked list implementation of queue?

A. In push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from end
B. In push operation, if new nodes are inserted at the beginning, then in pop operation, nodes must be removed from the beginning
C. In push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from end
D. In push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from beginning
Answer» B. In push operation, if new nodes are inserted at the beginning, then in pop operation, nodes must be removed from the beginning
Discussion
2.

The essential condition which is checked before deletion in a linked queue is?

A. Underflow
B. Overflow
C. Front value
D. Rear value
Answer» B. Overflow
Discussion
3.

In linked list implementation of a queue, front and rear pointers are tracked. Which of these pointers will change during an insertion into EMPTY queue?

A. Only front pointer
B. Only rear pointer
C. Both front and rear pointer
D. No pointer will be changed
Answer» D. No pointer will be changed
Discussion
4.

THE_ESSENTIAL_CONDITION_WHICH_IS_CHECKED_BEFORE_DELETION_IN_A_LINKED_QUEUE_IS??$

A. Underflow
B. Overflow
C. Front value
D. Rear value
Answer» B. Overflow
Discussion
5.

Which of the following is true about linked list implementation of queue?$

A. In push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from end
B. In push operation, if new nodes are inserted at the beginning, then in pop operation, nodes must be removed from the beginning
C. In push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from end
D. None of the mentioned
Answer» B. In push operation, if new nodes are inserted at the beginning, then in pop operation, nodes must be removed from the beginning
Discussion
6.

The essential condition which is checked before insertion in a linked queue is?

A. Underflow
B. Overflow
C. Front value
D. Rear value
Answer» C. Front value
Discussion
7.

In linked list implementation of a queue, the important condition for a queue to be empty is?

A. FRONT is null
B. REAR is null
C. LINK is empty
D. None of the mentioned
Answer» B. REAR is null
Discussion
8.

In linked list implementation of a queue, from where is the item deleted?

A. At the head of link list
B. At the centre position in the link list
C. At the tail of the link list
D. None of the mentioned
Answer» B. At the centre position in the link list
Discussion
9.

In case of insertion into a linked queue, a node borrowed from the __________ list is inserted in the queue.

A. AVAIL
B. FRONT
C. REAR
D. None of the mentioned
Answer» B. FRONT
Discussion
10.

In linked list implementation of a queue, front and rear pointers are tracked. Which of these pointers will change during an insertion into a NONEMPTY queue?

A. Only front pointer
B. Only rear pointer
C. Both front and rear pointer
D. None of the mentioned
Answer» C. Both front and rear pointer
Discussion
11.

In linked list implementation of a queue, where does a new element be inserted?

A. At the head of link list
B. At the centre position in the link list
C. At the tail of the link list
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
12.

In linked list implementation of queue, if only front pointer is maintained, which of the following operation take worst case linear time?

A. Insertion
B. Deletion
C. To empty a queue
D. Both Insertion and To empty a queue
Answer» E.
Discussion