Data Structures and Algorithms-I MCQs

Page No. 36

By implementing separate chaining using list head we can reduce the number of collisions drastically.


aTrue


bFalse


cNone of the given options


deither true either false


View Answer False

Which of the following technique is used for handling collisions in a hash table?


aOpen addressing


bHashing


cSearching


dHash function


View Answer Open addressing

What is the worst case time complexity of insert function in the hash table when the list head is used for chaining?


aO(1)


bO(n log n)


cO(log n)


dO(n)


View Answer O(n)

What is the advantage of using linked list over the doubly linked list for chaining?


ait takes less memory


bit causes more collisions


cit makes the process of insertion and deletion faster


dit causes less collisions


View Answer it takes less memory

A hash table may become full in the case when we use open addressing.


atrue


bfalse


cNone of the given options


deither true either false


View Answer true

What is the time complexity of delete function in the hash table using list head?


aO(1)


bO(n)


cO(log n)


dO(n log n)


View Answer O(1)

What is the time complexity of search function in a hash table using list head?


aO(1)


bO(n)


cO(log n)


dO(n log n)


View Answer O(1)

What is the time complexity of insert function in a hash table using list head?


aO(1)


bO(n)


cO(log n)


dO(n log n)


View Answer O(1)

Which of the following trait of a hash function is most desirable?


ait should cause less collisions


bit should cause more collisions


cit should occupy less space


dit should be easy to implement



What is the advantage of the hash table over a linked list?


afaster access of data


beasy to implement


cvery efficient for less number of entries


dexhibit good locality of reference


View Answer faster access of data

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