Data Structures and Algorithms-I MCQs

Page No. 38

Which of the following problems occur due to linear probing?


aPrimary collision


bSecondary collision


cSeparate chaining


dExtendible hashing


View Answer Primary collision

What is the formula used in quadratic probing?


aHash key = key mod table size


bHash key=(hash(x)+F(i)) mod table size


cHash key=(hash(x)+F(i2)) mod table size


dH(x) = x mod 17



Which of the following techniques offer better cache performance?


aQuadratic probing


bLinear probing


cDouble hashing


dRehashing


View Answer Linear probing

Which among the following is the best technique to handle collision?


aQuadratic probing


bLinear probing


cDouble hashing


dSeparate chaining


View Answer Quadratic probing

How many constraints are to be met to successfully implement quadratic probing?


a1


b2


c3


d4


View Answer 2

Which of the following is the correct function definition for quadratic probing?


aF(i)=i2


bF(i)=i


cF(i)=i+1


dF(i)=i2+1


View Answer F(i)=i2

In quadratic probing, if the table size is prime, a new element cannot be inserted if the table is half full.


aTrue


bFalse


cNone of the given options


deither true either false


View Answer False

What kind of deletion is implemented by hashing using open addressing?


aactive deletion


bstandard deletion


clazy deletion


dno deletion


View Answer lazy deletion

Quadratic probing overcomes primary collision.


aTrue


bFalse


cNone of the given options


deither true either false


View Answer True

Which of the following schemes does quadratic probing come under?


arehashing


bextended hashing


cseparate chaining


dopen addressing


View Answer open addressing

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