Understanding Data Abstraction Flashcard

Front

What is data abstraction?

Back

A process of hiding implementation details and exposing only necessary aspects.

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Which of the following is NOT a way data abstraction is commonly achieved? Encapsulation, Data Encryption, Data Structures, Classes

Back

Data Encryption

Front

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

Back

List of dictionaries

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What does data abstraction separate?

Back

The what (interface) from the how (implementation)

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Why is data abstraction important?

Back

It simplifies code and hides unnecessary complexity.

Front

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

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Combining data and operations into a single unit

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What is a real-world analogy for data abstraction?

Back

A remote control

Front

What aspect of a remote control represents the interface in data abstraction?

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Buttons for volume, power, and channels

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How does data abstraction improve reusability?

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By allowing the same abstraction to be reused in different parts of the program

Front

What does data abstraction enhance in terms of software development?

Back

Maintainability