Quiz on Queue Data Structure

Which of the following is a feature of a circular queue?

• A) It can only operate with integer data.

• B) It wraps around to the beginning of the queue array when there are no more spaces at the end.

• C) It prioritizes certain elements over others.

• D) It is only implemented using linked lists.

What operation is used to remove an element from the queue?

• A) remove

• B) dequeue

• C) extract

• D) pop

What is a queue?

• A) A data structure where the first element is processed last.

• B) A data structure where the first element added is the first one to be processed.

• C) A type of data structure that allows only numeric data types.

• D) A data structure that allows deletion from any position.

What is an underflow condition in a queue?

• A) When a delete operation is attempted on a full queue.

• B) When an insert operation is attempted on a full queue.

• C) When a delete operation is attempted on an empty queue.

• D) When the queue is uninitialized.

Which data structure is used to implement a queue efficiently?

• A) Array

• B) Linked list

• C) Stack

• D) Both A and B are correct.

Which of the following scenarios is the most appropriate application of a queue?

• A) Managing processes in a multitasking environment.

• B) Accessing a data cache.

• C) Undo functionality in a text editor.

• D) Balancing a binary search tree.

What does FIFO stand for in the context of a queue?

• A) First In First Out

• B) First In Last Out

• C) First Input First Output

• D) Final In First Out

In a priority queue, how is the priority of elements determined?

• A) Elements added first have the highest priority.

• B) Elements added last have the highest priority.

• C) Elements with higher weights assigned have higher priority.

• D) Elements closer to the queue's front have higher priority.

Which of the following is not a type of queue?

• A) Circular queue

• B) Priority queue

• C) Double-ended queue

• D) Random queue

What operation is used to add an element to a queue?

• A) push

• B) insert

• C) enqueue

• D) append