Understanding Stacks and Queues Flashcard

Front

What is the main operation of a stack?

Back

Last In, First Out (LIFO)

Front

Which operation is used to add an item to a stack?

Back

Push

Front

What is the main operation of a queue?

Back

First In, First Out (FIFO)

Front

Which operation is used to remove an item from a queue? Options: Enqueue, Dequeue, Push, Pop

Back

Dequeue

Front

What happens if you try to pop an item from an empty stack?

Back

The stack underflows.

Front

How can a linked list be used as a queue?

Back

By adding elements at the tail and removing from the head

Front

How can an array be used as a stack?

Back

By using the last element as the top

Front

Which operation is used to remove an item from a stack?

Back

Pop

Front

Which operation is used to add an item to a queue?

Back

Enqueue

Front

Which data structure is more suitable for implementing undo functionality in software? Options: Queue, Stack, Array, Linked List

Back

Stack