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Data Abstraction Quiz

Authored by Joe Cusack

Computers

12th Grade

Used 2+ times

Data Abstraction Quiz
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is data abstraction?

A technique for compressing data

A way to encrypt data for security

A method of storing data in a database

A process of hiding implementation details and exposing only necessary aspects

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a way data abstraction is commonly achieved?

Encapsulation

Data Encryption

Data Structures

Classes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the movie recommendation system example, what data structure is used to represent movies?

List of dictionaries

Set of tuples

Array of strings

Queue of objects

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does data abstraction separate?

The data from the user

The code from the compiler

The what (interface) from the how (implementation)

The input from the output

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is data abstraction important?

It makes data more complex

It increases the size of the program

It reduces the speed of execution

It simplifies code and hides unnecessary complexity

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of encapsulation?

Compressing data to save space

Combining data and operations into a single unit

Storing data in a cloud server

Encrypting data for security

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a real-world analogy for data abstraction?

A computer monitor

A car engine

A book

A remote control

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