Stack and Queue MCQ Questions and Answers Quiz

21. Which of them is an abstract data structure (ADT)?

  1. Stacks
  2. Queues
  3. Functions
  4. Both A and B

22. In the linked representation of the stack ……… behaves as the top pointer variable of stack.

  1. Stop pointer
  2. Begin pointer
  3. Start pointer
  4. Avail pointer

23. What happens when you push a new node onto a stack?

  1. The new node is placed at the front of the linked list
  2. The new node is placed at the back of the linked list
  3. The new node is placed at the middle of the linked list
  4. No Changes happens

24. A pointer variable which contains the location at the top element of the stack is called …..

  1. Top
  2. Last
  3. Final
  4. End

MCQ Multiple Choice Questions and Answers on Stack and Queue

Stack and Queue Question and Answer