WorksheetsMobile Apps MIT Unit 2
Total questions: 10
Worksheet time: 50mins
If Player1 plays a 30-second long Happy Birthday song, what would happen if you press Button1 and then press Button2 1 second later, using the following blocks?
Player1 starts playing a Happy Birthday song. When Button2 is pressed, the song continues to play.
Player1 starts playing a Happy Birthday song. When Button2 is pressed, the song stops playing.
Player1 starts playing a Happy Birthday song. When Button2 is pressed, the song continues to play but Button2 plays another copy of the song from the beginning so it sounds like two people are singing with a 1-second delay.
Player1 starts playing a Happy Birthday song. When Button2 is pressed, the song stops playing and starts over from the beginning.
Using the following code blocks, and assuming that AnimalLabel.Text starts off blank, what will the text be on AnimalLabel after Button1 is pressed, and then Button2 is pressed?
cow
pig
cow,pig
,cow,pig
What happens when Button1 is pressed, and then Button2 is pressed?
The text on Button1 changes to 5. Button 2 does not change.
The text on Button2 changes to 9. Button1 does not change.
The text on Button1 changes to 5 and then it changes to 9. Button2 does not change.
The text on Button1 changes 5 and the text on Button2 changes to 9.
In which section of App Inventor can you add components to your app's screen?
Designer
Properties
Blocks Editor
MIT AI2 Companion App
A button is an example of a _________.
property
component
picture
block
What would happen when you press Button1 according to the following blocks?
The sound file “mymelody.mp3” starts to play.
The sound file “mymelody.mp3” starts to play and the volume becomes louder.
The sound file “mymelody.mp3” stops and the volume becomes louder.
The sound file “mymelody.mp3” stops and the volume becomes softer.
In which section of App Inventor can you test your app?
MIT AI2 Companion app
Designer
Viewer
Blocks Editor
Why would you want to create a PROCEDURE?
Why is it important to give your elements and procedures "good" names?
What is the filetype for editable MIT App Inventor files?
.aia
.apk
.mp3
.app
