Computer Science Quiz

True or False: The user interface (UI) is the part of an app that users can see and interact with.

• True

• False

Boolean logic results in:

• Numbers

• Letters

• True or False

• Colors

What is a flowchart used for?

• To represent a process or algorithm

• To design user interfaces

• To write code

• To debug programs

An incremental approach in software development means:

• Only large steps are taken in development

• The program is designed, implemented and tested in small steps

• The program is developed all at once

• Only the user interface is developed incrementally

True or False: The view layer contains the logic and responds to user actions.

• True

• False

What is abstraction in programming?

• The process of making a program run faster

• The process of hiding complex details while showing only the essential features

• The process of creating user interfaces

• The process of debugging code

In App Inventor, a component that can play audio files is called:

• AudioPlayer

• SoundMaker

• Player

• MusicBox

What is a mutator block in App Inventor?

• A block that can't be modified

• A block that changes other blocks

• A block that can be modified to change its functionality

• A block that creates mutations in the code

Debugging is the process of:

• Creating new features for an app

• Designing the user interface

• Finding and fixing errors in a program

• Writing documentation for code

An if-else block is used to:

• Create loops in a program

• Define variables

• Execute different code based on whether a condition is true or false

• Design the user interface