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d. Which MIT App Inventor block is used to create reusable actions or instructions?
(i) Control (ii) Variables

(iii) Procedures (iv) Logic

e. Identify the UI component used to display a message or instruction in your app.
(i) Button (ii) Label

(iii) TextBox (iv) ListView

2. Fill in the blanks using the words from the help box.

Variables, Mobile, Properties, Coding, Web

a. apps are designed for touch, allowing you to tap, swipe or pinch the screen.

b. apps are accessed through a web browser.

c. The MIT App Inventor is a user-friendly tool that lets you create mobile apps without
complex .

d. The Properties panes are used to change the of the selected components.
e. blocks store values that can change while the app runs.

3. Write 'T' for true and 'F' for false.

a. Native apps are designed to work on multiple platforms.

b. The MIT App Inventor allows you to create apps without any coding.

c. Hybrid apps are expensive and difficult to maintain.

d. A TextBox component is used for collecting text input from users.

e. Control Blocks allow you to make decisions using true/false values.

4. Think and answer.
a. What are mobile apps?

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b. Define a variables block.
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Creating Apps with MIT App Inventor 131