Data Structures Algorithms-II MCQs

Page No. 11

Which of the following is not an advantage of optimised bubble sort over other sorting techniques in case of sorted elements?


aIt is faster


bConsumes less memory


c Detects whether the input is already sorted


dConsumes less time



What is an internal sorting algorithm?


aAlgorithm that uses tape or disk during the sort


bAlgorithm that uses main memory during the sort


cAlgorithm that involves swapping


d Algorithm that are considered ‘in place’



What is an external sorting algorithm?


aAlgorithm that uses tape or disk during the sort


bAlgorithm that uses main memory during the sort


cAlgorithm that involves swapping


dAlgorithm that are considered ‘in place’



Which of the following sorting algorithm does not use recursion?


a quick sort


bmerge sort


c heap sort


dbottom up merge sort


View Answer bottom up merge sort

Which of the following sorting algorithm makes use of merge sort?


atim sort


b intro sort


cbogo sort


d quick sort


View Answer tim sort

Merge sort is preferred for arrays over linked lists.


a true


bfalse


cA & B


dNone of these


View Answer false

Which of the following stable sorting algorithm takes the least time when applied to an almost sorted array?


aQuick sort


bInsertion sort


cSelection sort


dMerge sort


View Answer Merge sort

Which of the following is not a stable sorting algorithm?


aQuick sort


bCocktail sort


cBubble sort


d Merge sort


View Answer Quick sort

Which of the following is not in place sorting algorithm by default?


amerge sort


b quick sort


cheap sort


dnsertion sort


View Answer merge sort

Which of the following is not a variant of merge sort?


ain-place merge sort


bbottom up merge sort


ctop down merge sort


d linear merge sort


View Answer linear merge sort

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