Quarter 1 PLTW CSE Exam Review

Used to add and remove components that the user will SEE

• Blocks View

• Variable

• Event Handler

• Designer View

What do you add to the user interface for users to interact with on your app?

• Components

• Drawers

• Palette

• Media

Used to add and remove code that will happen IN the app

• Blocks View

• Event Handler

• Designer View

• String

The SMALLEST unit of data storage. Is used to store/save information to be used later on in code.

• Loop

• Variable

• String

• Event Handler

A variable that can only be used in a specific location/block of code

• Global Variable

• Loop

• Concatenation

• Local Variable

A variable that can be accessed by ANY part of the code

• Global Variable

• Loop

• String

• Local Variable

What is a loop?

• A variable that can be used within ANY part of code

• Text or characters displayed by a program

• A process that repeats code written within it; another word for iteration

• Checks to see if something is true or false

What is an Event Handler?

• A variable that can be used in specific blocks of code

• Text or characters displayed by a program

• The smallest unit of data storage

• Code that is executed (put into action) when the particular event occurs

Text or characters displayed by a program

• String

• Local Variable

• Concatenation

• Global Variable

Joins multiple, separate, items together without changing them

• Boolean Expression

• If-Then-Else

• Concatenation

• Variable