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In which data structure is the 'Last In First Out' (LIFO) principle applied?

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Question: In which data structure is the \'Last In First Out\' (LIFO) principle applied?

Options:

  1. Queue
  2. Array
  3. Stack
  4. Linked List

Correct Answer: Stack

Solution: 

A stack follows the LIFO principle, meaning the last element added is the first one to be removed.

In which data structure is the 'Last In First Out' (LIFO) principle applied?

Practice Questions

Q1
In which data structure is the 'Last In First Out' (LIFO) principle applied?
  1. Queue
  2. Array
  3. Stack
  4. Linked List

Questions & Step-by-Step Solutions

In which data structure is the 'Last In First Out' (LIFO) principle applied?
  • Step 1: Understand what 'Last In First Out' (LIFO) means. It means that the last item added to a collection is the first one to be taken out.
  • Step 2: Identify a data structure that uses this principle. A stack is a data structure that follows the LIFO principle.
  • Step 3: Remember that in a stack, if you add items one by one, the last item you added will be the first one you can remove.
  • Data Structures – Understanding different types of data structures, particularly stacks, and their operational principles.
  • LIFO Principle – The Last In First Out principle, which is a key characteristic of stacks.
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