šŸ“¢ Too many exams? Donā€™t know which one suits you best? Book Your Free Expert šŸ‘‰ call Now!

    Question

    A queue initially empty undergoes the following sequence

    of operations: 1.Ā  enqueue(10) 2.Ā  enqueue(20) 3.Ā  dequeue() 4.Ā  enqueue(30) 5.Ā  dequeue() 6.Ā  enqueue(40) What is the final state of the queue (elements from front to rear)?
    A [10, 20, 30, 40] Correct Answer Incorrect Answer
    B [30, 40] Correct Answer Incorrect Answer
    C [40] Correct Answer Incorrect Answer
    D [10, 40] Correct Answer Incorrect Answer
    E [20, 30, 40] Correct Answer Incorrect Answer

    Solution

    (1. [10] 2. [10, 20] 3. [20] (10 dequeued) 4. [20, 30] 5. [30] (20 dequeued) 6. [30, 40])

    Practice Next
    More IT Operating System Questions
    ask-question