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Stacks and Queues
Content
- Introduction to Data Structures
- What are Data Structures?
- Why Use Data Structures?
- Types of Data Structures
- Example
- Updated on 10/09/2024
- 450 Views
What is a Stack?
A stack is a linear data structure that follows the Last In, First Out (LIFO) principle. Elements are added and removed from the same end, known as the top.
Basic Operations (Stack)
Push: Add an element to the top of the stack.
Pop: Remove the top element from the stack.
What is a Queue?
A queue is a linear data structure that follows the First In, First Out (FIFO) principle. Elements are added at the rear and removed from the front.
Basic Operations (Queue)
Enqueue: Add an element to the rear of the queue.
Dequeue: Remove the element from the front of the queue.
Activity
Implement stack and queue data structures in a programming language of your choice. Perform operations like push, pop for stacks, and enqueue, dequeue for queues.
Quiz
1. What principle does a stack follow?
- a) First In, First Out (FIFO)
- b) Last In, First Out (LIFO)
- c) Random Access
- d) None of the above
2. True or False: A queue allows insertion and removal of elements from both ends.
- a) True
- b) False
3. Which operation adds an element to the top of a stack?
- a) Push
- b) Pop
- c) Enqueue
- d) Dequeue
4. Which data structure uses FIFO principle?
- a) Stack
- b) Queue
- c) Array
- d) Linked List
5. rue or False: You can remove an element from the rear end of a queue.
- a) True
- b) False
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