Stack Data Structures Quiz

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Questions and Answers

Which data structure is a stack similar to?

  • Heap
  • Array
  • Queue (correct)
  • Linked List

What is the purpose of using a stack in program execution?

  • To store information about classes
  • To store information about methods (correct)
  • To store information about variables
  • To store information about objects

Which class is used to implement stacks in Java?

  • Array
  • Stack (correct)
  • List
  • Queue

Which programming language uses list methods to implement stacks?

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

What are the two main stack operations?

<p>Push and Pop (C)</p> Signup and view all the answers

Which data structure follows the First-In, First-Out (FIFO) principle?

<p>Queue (C)</p> Signup and view all the answers

Which element in a queue is known as the head?

<p>The first element added (B)</p> Signup and view all the answers

Which methods are used to implement queues in Java?

<p>LinkedList methods (D)</p> Signup and view all the answers

Which statement is true about queues in Python?

<p>Queues can only be implemented using collections.deque (A)</p> Signup and view all the answers

In which scenarios are queues commonly used?

<p>CPU and disk scheduling (C)</p> Signup and view all the answers

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