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Worksheets

App Inventor CFU

Total questions: 15

Worksheet time: 20mins

Name
Class
Date
1.

Which palette or drawer is the "Button" located?

a)

User Interface

b)

Layout

c)

Media

d)

Charts

2.

A box for the user to enter text.

a)

textbox

b)

label

c)

listview

d)

Notifier

3.

A ____ displays a piece of text, which is specified through the Text property.

a)

Label

b)

TextBox

c)

listview

d)

Notifier

4.

This is a visible component that displays a list of text and image elements.

a)

Label

b)

TextBox

c)

ListView

d)

Notifier

5.

What is the name of this component?

a)

Notifier

b)

Button

c)

Textbox

d)

Label

6.

Find out what is wrong with the code and explain how to correct the problem.

4 lines
7.

select the correct group name of this code block.

a)

control

b)

logic

c)

math

d)

text

8.

select the correct group name of this code block.

a)

Variables

b)

logic

c)

math

d)

text

9.

select the correct group name of this code block.

a)

Variables

b)

logic

c)

math

d)

text

10.

select the correct group name of this code block.

a)

Variables

b)

logic

c)

math

d)

text

11.

select the correct group name of this code block.

a)

Variables

b)

logic

c)

math

d)

text

12.

Analyze the code blocks shown on the right:

Explain what will happen if you change the code block "set-Set1Canvas - Visible to True"?

4 lines
13.

Analyze the code blocks and Encircle the part that is not correct.

14.

Analyze the code blocks and Encircle the three (3) mistakes that can be found.

15.

Analyze the code blocks and Encircle which duplicate to be removed or deleted.