PLTW - Module 1.6

PLTW - Module 1.6

Let's have some fun learning more!!

Multiple Choice

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

Multiple Choice

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

Multiple Choice

In a flow chart the symbol for the beggining and ending is:

• Oval

• Rectangle

• Diamond

• Arrow

Multiple Choice

Which code when checked, sets the button's background image to display a dog picture

Multiple Choice

In a flow chart the symbol for a Command is:

• Oval

• Rectangle

• Diamond

• Arrow

Multiple Choice

In a flow chart the symbol for a desicion is:

• Oval

• Rectangle

• Diamond

• Heart

Multiple Choice

IF you are wearing green ride bus 1; else ride bus 2.

You are wearing blue.  What bus do you ride?

• Bus 1

• Bus 2

• You walk

Multiple Choice

Where can you find the If/Then Blocks?

• Logic Drawer

• Control Drawer

• Math Drawer

• Variables Drawer

Multiple Choice

What is a bug?

• A flaw in a computer program that causes the program to produce an incorrect result or behavior.

• A broken app that cannot be saved or fixed.

• A gross creepy-crawly

Multiple Choice

On the Blocks page, under which item will you find the "If-Then" blocks?

• Control

• Logic

• Math

• Text

Multiple Choice

To identify bugs or errors in computer hardware or programs and fix them is _______________

• debugging

• delicing

• delousing

• describing

Multiple Choice

Which is NOT a step in debugging code?

• Check for hardware or emulator connection issues.

• Skip broken code and come back to it later, you might find the answer somewhere else.

• make sure you understand the intended outcomes of each event handler, review your comments and algorithms.

• Check for compilation errors (Warnings and Error messages in the Blocks Viewer) and fix them.

Poll

How much time have you spent learning MIT App Inventor?

• 25% of my time

• 50% of my time

• 75% of my time

• Some time

Where is this in the World?

Multiple Choice

You can duplicate ______________

but you cannot duplicate _______________.

• design components | blocks of code

• blocks of code | app inventor files

• blocks of code | design components

• design components | algorithms

Multiple Choice

What kind of question can a conditional statement be?

• Multiple Choice

• Long Answer

• Short Answer

• Yes/No

Ada Lovelace

“The science of operations, as derived from mathematics more especially, is a science of itself, and has its own abstract truth and value.”

Ada Lovelace was a mathematician and writer, known for her work on Charles Babbage’s proposed mechanical general-purpose computer, the Analytical Engine.

Multiple Choice

What is the purpose of the backpack tool?

• To save apps

• To save blocks of code and move it between apps

• To save components

• To save properties

Multiple Choice

How do you know if a block is disabled?

• It has a thick outline

• It is greyed out

• The color changes to black

• You cannot disable a block

Multiple Choice

True or False:

App Inventor will ignore a block of code with an error symbol.

• True

• False

Multiple Choice

True or False:

App Inventor will attempt to run a block of code with a warning symbol.

• True

• False