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Data structure MCQs

Rajnish Tripathi 22:28

 Data structure MCQs:-

  1. Which notation is also known as "Reverse Polish notation"? a) Infix notation b) Prefix notation c) Postfix notation d) None of the above

Answer: c) Postfix notation

  1. Which notation has the operator written in-between its operands? a) Infix notation b) Prefix notation c) Postfix notation d) None of the above

Answer: a) Infix notation

  1. Which notation has the operator written before its operands? a) Infix notation b) Prefix notation c) Postfix notation d) None of the above

Answer: b) Prefix notation

  1. What is the time complexity of the Tower of Hanoi puzzle with n disks? a) O(n) b) O(2n) c) O(n^2) d) O(2^n)

Answer: d) O(2^n)

  1. In a queue, which operation adds an item to the queue? a) Enqueue b) Dequeue c) Front d) Rear

Answer: a) Enqueue

  1. Which data structure follows the First In First Out (FIFO) order? a) Stack b) Queue c) Binary tree d) Graph

Answer: b) Queue

  1. In the Tower of Hanoi puzzle, how many moves are required for n disks? a) n - 1 b) 2n c) 2n - 1 d) 2^n

Answer: c) 2n - 1

  1. Which operation in a queue removes an item from the queue? a) Enqueue b) Dequeue c) Front d) Rear

Answer: b) Dequeue

  1. Which notation has the operator written after its operands? a) Infix notation b) Prefix notation c) Postfix notation d) None of the above

Answer: c) Postfix notation

  1. Which operation in a queue gets the last item from the queue? a) Enqueue b) Dequeue c) Front d) Rear

Answer: d) Rear

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