
Grade 1 Quiz: Hash Functions
Authored by SANTHIYA M
Computers
1st Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a hash function?
A hash function is a function that takes an input (or 'message') and returns a fixed-size string of bytes.
A hash function is a type of dance move
A hash function is a type of breakfast cereal
A hash function is a type of car engine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a hash function work?
It has no specific output size for the given input.
It converts a string of characters into an input.
It takes an input and produces a fixed-size string of characters.
It generates a random output for any given input.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are hash functions important in computing?
Hash functions are important because they slow down the computer
Hash functions are important in computing because they are used to map data of arbitrary size to fixed-size values, which are used for data integrity, security, and indexing.
Hash functions are important because they increase the size of data
Hash functions are important because they are only used for decorative purposes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the properties of a good hash function?
Biased distribution, unpredictability, collision immunity
Random distribution, randomness, non-collision
Consistent distribution, non-determinism, collision tolerance
Uniform distribution, determinism, collision resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of collision resistance in hash functions.
It is easy to find two different inputs that produce the same hash value.
It is computationally infeasible to find two different inputs that produce the same hash value.
Collision resistance only applies to certain types of hash functions.
Collision resistance means that the hash function always produces the same output for the same input.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important for a hash function to have a low probability of collisions?
To ensure that the hash function produces the same output for similar inputs
To ensure that different inputs will not produce the same hash value
To increase the speed of the hash function
To make the hash function more secure
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are hash functions commonly used in computer science?
Sorting algorithms, searching algorithms, and graph algorithms
Data encryption, data compression, and data transmission
Data retrieval, data storage, and data integrity verification
User authentication, user authorization, and user interface design
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