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  3. 12th Class
  4. Computers Science

12th Class Computers Science Sample Paper Data Structure - Sample Paper-1

  • question_answer
    A queue contains elements "S1"."S2","S3", and "S4". You want to delete elements one by one, then the order in which they will be removed is:

    A) S4S3S2S1      

    B) S1S2S3S4

    C) S2S3S1S4      

    D) None of the above

    Correct Answer: B

    Solution :

    [b] If a queue contains elements "S1”,"S2","S3", and "S4" and you want to delete one element at a time, then the order in which they will be removed is "S1S2S3S4", because Queue follows FIFO principle and according to this, element is removed on the basis of First in.


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