Data Structures and Algorithms Quiz

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What is the result of attempting to dequeue from an empty queue?

Queue underflow

In a queue data structure, where do new items enter and existing items exit?

New items enter at the rear or back of the queue, and existing items exit from the front of the queue.

In array implementation of a queue, what happens when the rear of the queue reaches the end of the array?

The rear of the queue wraps around to the beginning of the array.

What is the time complexity of the enqueue operation in a queue implemented using an array?

O(1) amortized Signup and view all the answers

What is the advantage of using a dequeue data structure over a standard queue?

A dequeue allows insertion and removal of elements from both ends, making it more flexible than a standard queue. Signup and view all the answers

How does round robin scheduling relate to queues?

Round robin scheduling uses a queue to manage processes, where each process is given a fixed time slice (time quantum) before the next process is scheduled. Signup and view all the answers

What is the time complexity of the `add_rear()` operation when implementing a deque using a Python List?

O(n) Signup and view all the answers

What is the purpose of the `remove_front()` operation in a deque?

To remove the front item from the deque. Signup and view all the answers

What is the advantage of using a deque data structure in a Palindrome Checker application?

It allows for efficient comparison of the first and last characters of the string. Signup and view all the answers

What is the time complexity of the `add_front()` operation when implementing a deque using a Python List?

O(1) Signup and view all the answers

What is the purpose of the `size()` operation in a deque?

To return the number of items in the deque. Signup and view all the answers

What would happen if you try to remove an item from an empty deque?

It would result in an underflow error. Signup and view all the answers

How is the wrap-around effect achieved in a queue implementation using an array?

By using the Modulus (%) arithmetic operator Signup and view all the answers

What is the purpose of the enqueue operation in a queue?

To add a new item to the queue. Signup and view all the answers

What happens when a queue is full and an enqueue operation is attempted?

Queue overflow occurs, and the operation is not allowed. Signup and view all the answers

How does a round-robin scheduler use a queue to schedule tasks?

By repeatedly dequeueing and enquing tasks in a circular manner. Signup and view all the answers

What is a deque data structure, and how does it differ from a queue?

A deque is a double-ended queue that allows items to be added or removed from both ends. Signup and view all the answers

What is the purpose of the isEmpty() operation in a deque?

To determine whether the deque is empty or not. Signup and view all the answers

Data Structures and Algorithms Quiz - Stacks and Queues

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Questions and Answers

What is the result of attempting to dequeue from an empty queue?

In a queue data structure, where do new items enter and existing items exit?

In array implementation of a queue, what happens when the rear of the queue reaches the end of the array?

What is the time complexity of the enqueue operation in a queue implemented using an array?

What is the advantage of using a dequeue data structure over a standard queue?

How does round robin scheduling relate to queues?

What is the time complexity of the `add_rear()` operation when implementing a deque using a Python List?

What is the purpose of the `remove_front()` operation in a deque?

What is the advantage of using a deque data structure in a Palindrome Checker application?

What is the time complexity of the `add_front()` operation when implementing a deque using a Python List?

What is the purpose of the `size()` operation in a deque?

What would happen if you try to remove an item from an empty deque?

How is the wrap-around effect achieved in a queue implementation using an array?

What is the purpose of the enqueue operation in a queue?

What happens when a queue is full and an enqueue operation is attempted?

How does a round-robin scheduler use a queue to schedule tasks?

What is a deque data structure, and how does it differ from a queue?

What is the purpose of the isEmpty() operation in a deque?

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Data Structures and Algorithms Quiz - Stacks and Queues

Choose a study mode

Podcast

Questions and Answers

What is the result of attempting to dequeue from an empty queue?

In a queue data structure, where do new items enter and existing items exit?

In array implementation of a queue, what happens when the rear of the queue reaches the end of the array?

What is the time complexity of the enqueue operation in a queue implemented using an array?

What is the advantage of using a dequeue data structure over a standard queue?

How does round robin scheduling relate to queues?

What is the time complexity of the add_rear() operation when implementing a deque using a Python List?

What is the purpose of the remove_front() operation in a deque?

What is the advantage of using a deque data structure in a Palindrome Checker application?

What is the time complexity of the add_front() operation when implementing a deque using a Python List?

What is the purpose of the size() operation in a deque?

What would happen if you try to remove an item from an empty deque?

How is the wrap-around effect achieved in a queue implementation using an array?

What is the purpose of the enqueue operation in a queue?

What happens when a queue is full and an enqueue operation is attempted?

How does a round-robin scheduler use a queue to schedule tasks?

What is a deque data structure, and how does it differ from a queue?

What is the purpose of the isEmpty() operation in a deque?

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What is the time complexity of the `add_rear()` operation when implementing a deque using a Python List?

What is the purpose of the `remove_front()` operation in a deque?

What is the time complexity of the `add_front()` operation when implementing a deque using a Python List?

What is the purpose of the `size()` operation in a deque?