WorksheetsPLTW Lesson 1.3 - 1.5
Total questions: 24
Worksheet time: 47mins
Which of the following event handlers will play an audio file when a check box is clicked in App Inventor?
Which set of blocks will change the canvas to blue when the button is clicked?
An ordered set of instructions that are used to carry out a task is called:
control layer
algorithm
backpack
conditional statement
Which of the following is correctly named using camel case?
reset button
RESETbutton
ResetButton
Reset button
An action or occurrence that happens during run time that will trigger a response or behavior by the software is called:
component
properties window
variable
event
A diagram that represents an algorithm or process, and uses geometric symbols connected by arrows to show the direction of the flow of action is called:
backpack
variable
flowchart
pair programming
The layer of an app that the user sees and interacts with is called
control layer
view layer
model layer
The layer of an app that contains the blocks of code that tell the app how to behave is called:
control layer
view layer
model layer
Items you can drag to the viewer in the Designer side of App Inventor like buttons, labels, etc are called:
events
components
variables
algorithms
This allows you to change specific things about each component like height, width, color, etc.
backpack
properties window
control layer
palette
1. On a flowchart which shape is used to show an action (like MoveForward)
oval
rectangle
rhombus
What is the visual part of a computer program or operating system, that an end user interacts with the computing device or software?
user interface (UI)
main screen
the app itself
the viewer
________ is the consumer for whom a hardware or software product is designed.
the event handler
programmer
end user
computer scientist
The _______ block of code is triggered when a certain event occurs?
controller
event handler
conditional statement
media
The visual part of a computer app or operating system, through which an end user interacts with the computing device or software.
Controller Layer
Event Driven Programming
Incremental Approach
User Interface
Type of computer programming where the program responds to an input (or trigger).
Controller Layer
Event Driven Programming
Incremental Approach
User Interface
What does UI stand for?
Universal Idenitifaction
User Interface
User Identification
User View
What kind of question can a conditional statement be?
Multiple Choice
Long Answer
Short Answer
Yes/No
Where can you find the If/Then Blocks?
Logic Drawer
Control Drawer
Math Drawer
Variables Drawer
In a flow chart the symbol for a desicion is:
Oval
Rectangle
Diamond
Heart
In a flow chart the symbol for a Command is:
Oval
Rectangle
Diamond
Arrow
In a flow chart the symbol for the beggining and ending is:
Oval
Rectangle
Diamond
Arrow
What is an end user?
The person who created the app
The consumer that uses the app
The client that wants the app made
Your teacher
What is an event handler?
A block of code that is triggered when a certain event happens.
Someone who organizes special events like birthday parties and weddings
A component you can find in the designer of App Inventor
None of the above
