Data Structure Hash Tables Online Exam Quiz
Data Structure Hash Tables GK Quiz. Question and Answers related to Data Structure Hash Tables. MCQ (Multiple Choice Questions with answers about Data Structure Hash Tables
What is a hash function?
Options
A : A function has allocated memory to keys
B : A function that computes the location of the key in the array
C : A function that creates an array
D : A function that computes the location of the values in the array
What is a hash table?
Options
A : A structure that maps values to keys
B : A structure that maps keys to values
C : A structure used for storage
D : A structure used to implement stack and queue
What is the load factor?
Options
A : Average array size
B : Average key size
C : Average chain length
D : Average hash table length
If several elements are competing for the same bucket in the hash table, what is it called?
Options
A : Diffusion
B : Replication
C : Collision
D : Duplication
What is simple uniform hashing?
Options
A : Every element has equal probability of hashing into any of the slots
B : A weighted probabilistic method is used to hash elements into the slots
C : Elements has Random probability of hashing into array slots
D : Elements are hashed based on priority
Which of the following is not a technique to avoid a collision?
Options
A : Make the hash function appear random
B : Use the chaining method
C : Use uniform hashing
D : Increasing hash table size
In simple uniform hashing, what is the search complexity?
Options
A : O(n)
B : O(logn)
C : O(nlogn)
D : O(1)
In simple chaining, what data structure is appropriate?
Options
A : Singly linked list
B : Doubly linked list
C : Circular linked list
D : Binary trees
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