Quiz: Data Structures Mock tests on Hash.

This quiz contains information about Data Structures Hash.

Jack Smith 3 years ago

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Quiz Questions And Answers

A good hash function and implementation algorithm are essential for good -

hash history

hash table performance

hash file

A hash table uses a hash function to compute an index into an array of-

list

buckets

file

In computing, a hash map is a data structure that implements an associative array abstract data type, a structure that can map-

object to tag

the diagram

keys to values

Distinct array position for every possible key known as-

common addressing

indirect addressing

direct addressing

Ideally, the hash function will assign each key to-

an empty cell

a project table

a unique bucket

The hash function is a function that computes the .................. of the key in the array.

object

tag

location

How Hash table data structure stores data?

in associative manner

in a random style

in an unknown style

What is the name of the situation, when several elements are competing for the same bucket in the hash table?

Lagging

Collision

Wiping

A hash function takes a message of arbitrary length and generates a -

folder

fixed length code

object data

Which hashing method can be used to avoid collision?

unique hashing

improper hashing

uniform hashing

A perfect hash function can be used to create ...................... that has no collisions.

a local graph

a perfect hash table

a global list

In which hashing the interval between probes is computed by a second hash function?

Small hashing

Double hashing

Mini hashing

Which hashing ensures constant lookup time in the worst case, and constant amortized time for insertions and deletions?

Cuckoo hashing

Parrot hashing

Corw hashing

One interesting variation on double-hashing collision resolution is known as-

Alex hashing

Jack hashing

Robin Hood hashing

Which hashing method employs two different hash functions, h1(x) and h2(x), for the hash table?

Typical hashing

Hookup hashing

2-choice hashing

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