IT Elective 1.2

Which component represents a single screen with a user interface in an Android application?

• Fragment

• Service

• Activity

• Intent

What is the primary purpose of a Service in Android?

• To display user interfaces

• To perform background tasks

• To manage app resources

• To send broadcasts

Which method is called when an Activity is first created?

• `onPause()`

• `onCreate()`

• `onDestroy()`

• `onStart()`

Fragments are hosted by which component?

• Content Provider

• Broadcast Receiver

• Activity

• Service

What is the purpose of the `AndroidManifest.xml` file?

• To store UI elements

• To declare app components and permissions

• To handle background tasks

• To manage app lifecycle

Which type of intent specifies the exact component to start?

• Implicit Intent

• Explicit Intent

• Broadcast Intent

• Service Intent

Which component listens for and reacts to global system-wide events?

• Fragment

• Service

• Broadcast Receiver

• Content Provider

What is the primary database system used in Android?

• MySQL

• SQLite

• PostgreSQL

• MongoDB

Which Activity lifecycle method is called when the Activity is no longer visible?

• `onStop()`

• `onPause()`

• `onDestroy()`

• `onRestart()`

What type of Service provides an interface for other components to interact with it?

• Foreground Service

• Background Service

• Bound Service

• UI Service