Category

Data Structures Algorithms-II MCQs


Which of the following is a disadvantage of linear search?


aRequires more space


bGreater time complexities compared to other searching algorithms


cNot easy to understand


dNot easy to implement



What is the best case and worst case complexity of ordered linear search?


aO(nlogn), O(logn)


bO(logn), O(nlogn)


c O(n), O(1)


d O(1), O(n)


View Answer O(1), O(n)

What is the worst case for linear search?


a O(nlogn)


b O(logn)


cO(n)


dO(1)


View Answer O(n)

What is the best case for linear search?


aO(nlogn)


bO(logn)


cO(n)


dO(1)


View Answer O(1)

Where is linear searching used?


aWhen the list has only a few elements


bWhen performing a single search in an unordered list


cUsed all the time


dWhen the list has only a few elements and When performing a single search in an unordered list



What is the recurrence relation for the linear search recursive algorithm?


a T(n-2)+c


b 2T(n-1)+c


c T(n-1)+c


dT(n+1)+c


View Answer 2T(n-1)+c

Can linear search recursive algorithm and binary search recursive algorithm be performed on an unordered list?


aBinary search can’t be used


bLinear search can’t be used


cBoth cannot be used


dBoth can be used



What is the best case runtime of linear search(recursive) algorithm on an ordered set of elements?


aO(1)


b O(n)


cO(logn)


dO(nx)


View Answer O(1)

The array is as follows: 1,2,3,6,8,10. Given that the number 17 is to be searched. At which call it tells that there’s no such element? (By using linear search(recursive) algorithm)


a 7th call


b9th call


c 17th call


d The function calls itself infinite number of times


View Answer 7th call

The array is as follows: 1,2,3,6,8,10. At what time the element 6 is found? (By using linear search(recursive) algorithm)


a4th call


b 3rd call


c 6th call


d 5th call


View Answer 4th call

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