Conditional Statements and App Development Quiz

What is the purpose of using flowcharts in app development?

• To play audio files

• To stop the app

• To represent algorithms

• To change the app's color

Which block is used to specify conditional behaviors in App Inventor?

• Pause block

• If or If else block

• Duplicate block

• Start block

What does the 'if' block do in conditional statements?

• Ignores the blocks if the condition is true

• Performs actions in the else sequence if the condition is false

• Performs actions in the then sequence if the condition is true

• Stops the app

When should the 'else' sequence of the if else block be executed?

• If the app is paused

• If the app crashes

• If the condition is false

• If the condition is true

What is the purpose of adding conditional statements to an app?

• To make the app more colorful

• To help the app perform different functionalities based on conditions

• To increase the app's size

• To change the app's name

What is the expected behavior when the measles button is clicked and the measles player is playing?

• Call the measles player to pause

• Call the measles player to start

• Call the meningitis player to start

• Call the meningitis player to stop

What should happen if the measles button is clicked and the measles player is not playing?

• Call the measles player to start

• Call the measles player to pause

• Call the meningitis player to start

• Call the meningitis player to stop

What action should be taken if the meningitis button is already playing and the measles button is clicked?

• Call the meningitis player to stop

• Call the meningitis player to start

• Call the measles player to pause

• Call the measles player to start

What is the purpose of dragging the event handlers into the backpack?

• To modify the event handlers

• To use the event handlers on another screen

• To delete the event handlers

• To duplicate the event handlers

What is the expected behavior when the malaria button is clicked and the malaria player is playing?

• Call the malaria player to pause

• Call the malaria player to start

• Call the dengue fever player to stop

• Call the dengue fever player to start