IDS Modularity & APIs

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8 Terms

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What is modularity?

Breaking a system into small parts.


Example: A phone has separate apps.

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Why use modularity?

Easy to fix or change parts.

Example: Update the camera app only.

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What is an API?

Application Programming Interface (API)

A tool for programs to talk.


Example: Weather app connects to weather site.

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Why are APIs useful?

Connect parts without knowing how they work.


Example: App gets directions from Google Maps.

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Example of API use?

PayPal API adds payments to a site.

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What’s internal vs. external API?

Internal = team use,

external = public use.

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How do APIs help security?

They hide details and limit access.

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What is API versioning?

Letting old and new versions work.