Question: What is the main difference between a stack and a queue?

Options:

1. Stack is LIFO, Queue is FIFO
2. Stack is FIFO, Queue is LIFO
3. Both are LIFO
4. Both are FIFO

Correct Answer: Stack is LIFO, Queue is FIFO

Solution:

The main difference is that a stack operates in a Last In First Out (LIFO) manner, while a queue operates in a First In First Out (FIFO) manner.