Grade 9 MIT App Inventor(Abhyudaya)

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

• Label

• Button

• TextBox

• ListView

Where do you design the user interface of an app in MIT App Inventor?

• Blocks Editor

• Designer Screen

• Emulator

• Terminal

How do you test an app on a real device in MIT App Inventor?

• Using App Inventor Emulator

• Using an APK file

• Using MIT AI2 Companion app

• ) Using JavaScript

Which block is used to make decisions based on conditions?

• If-Then

• Loop

• Text

• Procedure

What is the function of the "Initialize global" block?

• To create and set a variable's initial value

• To define a new function

• To reset the app

• To close the app

Which logical operator is used to check if two numbers are equal?

• =

• ==

• ≠

• >

Which block is used to store the current result for further calculations?

• Variable Block

• Label Block

• Textbox Block

• Button Block

Which file format is commonly used for storing piano sounds in MIT App Inventor?

• .txt

• .mp3

• .doc

• .html

What happens if a sound file is missing from the Assets folder?

• The app will play a default sound

• The app will crash

• The app will display an error message

• Nothing will happen

Which event is triggered when the user taps on the screen to draw a dot?

• Canvas.Touched

• Canvas.Dragged

• Button.Click

• Label.Changed