Data Structures and Algorithms-I MCQs

Page No. 34

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


ait takes less memory


bit is easy to implement


cit makes the process of insertion and deletion faster


dit causes less collisions



Hashing can be used to encrypt and decrypt digital signatures.


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 a doubly linked list?


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 a doubly linked list?


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 a doubly linked list?


aO(1)


bO(n)


cO(log n)


dO(n log n)


View Answer O(1)

What is the use of a hash function?


ato calculate and return the index of corresponding data


bto store data


cto erase data


dto change data



What is the advantage of a hash table as a data structure?


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

Which of the following is used in hash tables to determine the index of any input record?


ahash function


bhash linked list


chash tree


dhash chaining


View Answer hash function

In open addressing the hash table can never become full.


aTrue


bFalse


cNone of the given options


deither true either false


View Answer False

Separate chaining is easier to implement as compared to open addressing.


atrue


bfalse


cNone of the given options


deither true either false


View Answer true

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