Data Structures Algorithms-II MCQs

Page No. 2

Linear search(recursive) algorithm used in _____________


aWhen the size of the dataset is low


bWhen the size of the dataset is large


cWhen the dataset is unordered


dNever used



Is the space consumed by the linear search(recursive) and linear search(iterative) same?


aNo, recursive algorithm consumes more space


bNo, recursive algorithm consumes less space


cYes


dNothing can be said



Is there any difference in the speed of execution between linear serach(recursive) vs linear search(lterative)?


aBoth execute at same speed


bLinear search(recursive) is faster


cLinear search(Iterative) is faster


dCant be said



Given an array arr = {45,77,89,90,94,99,100} and key = 100; What are the mid values(corresponding array elements) generated in the first and second iterations?


a90 and 99


b 90 and 100


c89 and 94


d94 and 99


View Answer 90 and 99

Given an array arr = {5,6,77,88,99} and key = 88; How many iterations are done until the element is found?


a1


b3


c4


d 2


View Answer 2

Binary Search can be categorized into which of the following?


aBrute Force technique


bDivide and conquerDivide and conquer


cGreedy algorithm


dDynamic programming


View Answer Divide and conquer

Which of the following is not an application of binary search?


aTo find the lower/upper bound in an ordered sequence


bUnion of intervals


cDebugging


dTo search in unordered list



Given an array arr = {45,77,89,90,94,99,100} and key = 99; what are the mid values(corresponding array elements) in the first and second levels of recursion?


a90 and 99


b90 and 94


c89 and 99


d89 and 94


View Answer 90 and 99

Given an input arr = {2,5,7,99,899}; key = 899; What is the level of recursion?


a 5


b2


c3


d 4


View Answer 3

What is the advantage of recursive approach than an iterative approach?


aConsumes less memory


bLess code and easy to implement


c Consumes more memory


d More code has to be written



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