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Graded assessment: Introduction to Mobile Development :Introduction to Mobile Development (Meta React Native Specialization) Answers 2025

1. Web browser is a:

✔️ Client
❌ Server


2. Role of JavaScript in browser:

✔️ To provide interactivity and data processing
❌ Describe content
❌ Describe visual layout


3. React improves performance using:

✔️ Virtual DOM
❌ Copy DOM
❌ New DOM


4. What displays on the webpage?

✔️ Our Menu
❌ Little Lemon


5. Correct hyperlink usage:

✔️ <a href="cat.png">
<anchor src="dog.png">
<a src="mouse.png">


6. Type of selector:

✔️ ID selector
❌ Element selector
❌ Class selector


7. Margin-box width calculation:

Width = 20
Padding left/right = 10 + 10 = 20
Margin left/right = 10 + 10 = 20
Total = 60px
✔️ 60 pixels


8. Kotlin is a:

✔️ Multi-platform
❌ Single-platform


9. React is a JavaScript:

✔️ Library
❌ Framework


10. Representation stored by React:

✔️ The Virtual DOM
❌ Memory DOM
❌ Copy DOM


📘 Summary Table

Q.No Correct Answer
1 Client
2 Interactivity & data processing
3 Virtual DOM
4 Our Menu
5 <a href="cat.png">
6 ID selector
7 60 pixels
8 Multi-platform
9 Library
10 Virtual DOM