Stack and Queue Question with Answer

11. A queue is a ?

  1. Ordered array
  2. Linear tree
  3. FIFO (First In First Out) list
  4. LIFO (Last In First Out) list.

12. Which of the following is an application of stack?

  1. infix to postfix
  2. all of the above
  3. finding factorial
  4. tower of Hanoi

13. Which is the pointer associated with the stack?

  1. TOP
  2. REAR
  3. FIRST
  4. FRONT

14. New nodes are added to the ……… of the queue.

  1. Middle
  2. Both A and B
  3. Front
  4. Back

15. Deletion operation is done using ……… in a queue.

  1. top
  2. list
  3. front
  4. rear

16. In liked representation of stack ……. holds the elements of the stack.

  1. LINK fields
  2. NULL fields
  3. INFO fields
  4. TOP fields

17. User push 1 element in the stack having already five elements and having stack size as 5 then stack becomes

  1. User Flow
  2. Crash
  3. Overflow
  4. Underflow

18. Act of adding values into a stack is called

  1. Pushing
  2. None
  3. Popping
  4. Polling

19. push() and pop() functions are found in

  1. stacks
  2. trees
  3. queues
  4. lists

20. The elements are removal from a stack in ………. order.

  1. Alternative
  2. Sequential
  3. Reverse
  4. Hierarchical

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