Which of the following is an example of a stack?QueueRecursionBinary Search TreeHash Table
Question
Which of the following is an example of a stack?
- Queue
- Recursion
- Binary Search Tree
- Hash Table
Solution
Recursion is an example of a stack.
Here's why:
In computer science, a stack is a data structure that follows the Last-In-First-Out (LIFO) principle. This means that the last item you put into the stack is the first one to come out.
Recursion is a method where the solution to a problem depends on solutions to smaller instances of the same problem. When a recursive function is called, the computer stores the information in a stack. The most recent function call is placed on top of the stack and it is also the first one to be popped out when the function returns a value.
On the other hand, a queue follows the First-In-First-Out (FIFO) principle, a binary search tree is a tree data structure, and a hash table uses a hash function to compute an index into an array of buckets or slots.
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