MIT App Inventor
What is the name of the block which starts and ends a sequence in a flow chart?
Event-handler
a flaw in a computer program
What is a bug?
A type of data whose values can only be true or false
What is a boolean variable?
Why would I want to collapse a block?
What is To make my code easier to read?
the layer of an app that contains the data entered and used in the app.
What is the Model Layer?
The kind of layout component that allows you to put items next to each other
What is a horizontal arrangement?
What did we find in our pallet pane?
What are Components?
A sequence of letters and other characters
What is a string?
It is important to plan by identifying the series of steps that a robot needs to follow. This process is called_______.
What is algorithmic thinking?
The layer of an app seen by the end-user
What is the View Layer?
What is the file type in MIT App Inventor?
.aia
To avoid bugs and errors you should develop and test code....
What is incrementally?
The difference between an algorithm and a flowchart.
An algorithm is a list of steps, and a flowchart contains the steps of the algorithm.
A chart used by programmers to keep track of the values of variables in their program.
What is a trace table?
The layer of an app that contains the program that tells the app how to behave.
What is the Controller Layer?
The part of my device that detects shaking
What is an accelerometer?
If I click the show warnings button, what will happen?
The code blocks that have bugs will show up with Xs or !s
An end-user is drawing on a screen. With what layer is he/she interacting?
View Layer.
100
I want to program the HelloButton within an app to start playing an audio file when I do a Long click. What line of code should I use?
Call/Purple(command).
The Audio Source property for the MeaslesPlayer is measlesmp3 on the property column, Designer View. I'm coding this button and I want to keep this property. What line of code should I use?
A getter/Light green
The component that can read what I type in an audible robot voice
What is TextToSpeech?
A variable that can be used by the entire scope of the program
What is a global variable?
Do you have gas? If the car has gas drive to the restaurant if not, make an order for delivery. What portion of the if then else block should I use for the portion: If the car has gas drive to the restaurant.
Then...
An app has the design requirements of playing music when a button is clicked and resetting the player when the device is shaken. What are the events in those requirements?
A button is clicked, and a device is shaken.
A computer scientist is bringing an audio file from a different source, what is he doing?
Introducing data in the App