Mastering Stacks

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Questions and Answers

Which data structure is represented by the term 'Stack' in computer science?

  • A binary tree structure
  • An ordered collection of elements
  • A graph structure with nodes and edges
  • A Last In First Out (LIFO) structure (correct)

What is the time complexity of adding and removing elements in a 'Stack' data structure?

  • O(log n)
  • O(1) (correct)
  • O(n^2)
  • O(n)

What is the main characteristic of a 'Stack' data structure?

  • Elements are sorted in descending order
  • Elements can be accessed randomly
  • Elements are sorted in ascending order
  • Elements are added and removed from one end only (correct)

Which of the following is true about a linked list?

<p>It is a linear data structure (D)</p> Signup and view all the answers

Which of the following is an advantage of using a linked list over an array?

<p>Dynamic size (D)</p> Signup and view all the answers

What is the time complexity of searching for an element in a singly linked list?

<p>O(n) (A)</p> Signup and view all the answers

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