Class 8 MIT Beginners

A mobile application (app) is designed to run on:

• Personal computers

• Smartphones and tablets

• Smart TVs

• Game consoles

The two main parts of App Inventor are:

• Emulator & Designer

• Designer & Blocks Editor

• Compiler & Debugger

• App Store & Browser

In block coding, the “When Button.Click → Call TextToSpeech.Speak (Label.Text)” means:

• The app records audio when clicked

• The app speaks the text shown in the Label

• The app changes background color when clicked

• The app saves the project when clicked

To test your app on a device, you use:

• Connect → AI Companion

• File → Export APK

• Build → Generate Java Code

• Settings → Enable Debugging

Which component is used to display text in MIT App Inventor?

• Label

• Image

• Slider

• Canvas

Which of the following is used to arrange components horizontally or vertically?

• Sensors

• Layout

• Media

• Drawing and Animation

What does a Button component primarily detect?

• Hover

• Clicks

• Images

• Text input

In MIT App Inventor, which of the following is an example of a visible component?

• TextToSpeech

• Camera

• Button

• SoundRecorder

Which principle of object-oriented programming is followed when using getter and setter methods?

• Inheritance

• Polymorphism

• Encapsulation

• Abstraction

A setter method is also called a:

• Constructor

• Mutator

• Initializer

• Listener