Data Structures: MCQ Set – 10

Q91: Which operation is not possible on Data Structure ?

  • (A) Traversing
  • (B) Insertion
  • (C) Reading
  • (D) Deletion

Q92: Recursive functions are executed in a

  • (A) First in first out-order
  • (B) Last in first out-order
  • (C) Parallel fashion
  • (D) Load balancing

Q93: Number of possible binary trees with 3 nodes is

  • (A) 12
  • (B) 13
  • (C) 14
  • (D) 15

Q94: The complexity of linear search algorithm is

  • (A) O(n)
  • (B) O(log n)
  • (C) O(n2)
  • (D) O(n log n)

Q95: In-order traversal of binary search tree implies visiting the nodes in __

  • (A) Post-order
  • (B) The order of increasing magnitude of their key
  • (C) Pre-order
  • (D) The order of decreasing magnitude of their key N
  • (E) Arbitrary order

Q96: The problem space of means-end analysis has

  • (A) An initial state and one or more goal states
  • (B) One or more initial states and one goal state
  • (C) One or more initial states and one or more goal state
  • (D) One initial state and one goal state
  • (E) No goal state

Q97: Suppose we have a circular array implementation of the queue type, with ten items in the queue stored at data[2] through data[11]. The current SIZE is 22. Where does the insert method place the new entry in the array?

  • (A) data[1]
  • (B) data[22]
  • (C) data[12]
  • (D) data[11]
  • (E) data[21]

Q98: Let the following circular queue can accommodate maximum six elements with the following data

front = 2 rear = 4

queue = _______; L, M, N, ___, ___

What will happen after ADD O operation takes place?

  • (A) front = 2 rear = 5 queue = ______; L, M, N, O, ___
  • (B) front = 3 rear = 5 queue = L, M, N, O, ___
  • (C) front = 3 rear = 4 queue = ______; L, M, N, O, ___
  • (D) front = 2 rear = 4 queue = L, M, N, O, ___

Q99: Identify the data structure which allows deletions at both ends of the list but insertion at only one end.

  • (A) Input-restricted deque
  • (B) Output-restricted deque
  • (C) Priority queues
  • (D) None of above

Q100: You have to sort a list L consisting of a sorted list followed by a few “random” elements. Which of the following sorting methods would be especially suitable for such a task?

  • (A) Bubble sort
  • (B) Selection sort
  • (C) Quick sort
  • (D) Insertion sort



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