Queue data structure multiple choice questions with answers

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  1. What is a queue data structure? a) A data structure that follows the Last In First Out (LIFO) rule b) A data structure that follows the First In Last Out (FILO) rule c) A data structure that follows the First In First Out (FIFO) rule - Answer d) A data structure that allows random access to its elements

  2. What is the time complexity of inserting an element into a queue data structure? a) O(1) - Answer b) O(n) c) O(log n) d) O(n log n)

  3. Which of the following operations can be performed efficiently in a queue data structure? a) Inserting an element at the front b) Inserting an element at the end - Answer c) Removing an element from the front - Answer d) Removing an element from the end

  4. Can a queue data structure be implemented using an array? a) Yes - Answer b) No

  5. What is the time complexity of removing an element from the front of a queue data structure? a) O(1) - Answer b) O(n) c) O(log n) d) O(n log n)

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