What is a stack in computer science?
An example of an AI chatbot conversation about stacks in computer science.
What is a stack in computer science?
A stack is a data structure that follows the Last In, First Out (LIFO) principle, meaning the last item added is the first to be removed.
Can you give me an example of how a stack works?
Sure! Imagine a stack of plates. You can only add or remove the top plate. If you add three plates, you must remove them in reverse order.
What are some common operations performed on a stack?
The main operations are push (adding an item), pop (removing the top item), and peek (viewing the top item without removing it).
Where are stacks used in programming?
Stacks are used in function calls, expression evaluation, and backtracking algorithms, among other applications.
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