Mobile Operating Systems 2.1-3

What is Android?

Google's open-source mobile operating system used by many smartphone and tablet makers.

What is iOS?

Apple's proprietary operating system for iPhones.

What is iPadOS?

Apple's proprietary operating system for iPads.

What is an app ecosystem?

The environment for developing, distributing, installing, using, and maintaining apps.

What is an app store?

An online store where users download and install applications.

What is open-source software?

Software whose source code is publicly available to use and modify.

What is closed-source software?

Software whose source code is restricted and controlled by its developer.

What is biometric security?

Security using physical traits like fingerprints or face scans.

What is encryption?

Converting data into code to protect it.

What is haptics?

Vibration that alerts users to messages or activities.

What is an Android launcher?

A component that controls the home screen layout and how apps launch.

What is permission management?

Controlling which features and data apps can access.

What is sandboxing?

Isolating apps to prevent them from interfering with each other.

What is a security model?

Features, rules, and technologies used to protect mobile devices, apps, and users.

What are software development kits (SDKs)?

Tools that simplify creating and testing new software.

What is a widget?

A small app element that displays notifications and updates on a device.