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Introduction to Mobile Development

Coursera: Meta React Native Specialization, Module quiz: Mobile development, Introduction to HTML and CSS, React and React Native, Graded assessment.
Meta React Native Specialization

Module quiz: Mobile development

1. The first Android OS was released in 2008 by ______________.
  • Google
  • Apple
  • Microsoft
  • Amazon
2. What is a major advantage of a desktop browser ?
  • It allows users to visit a website offline.
  • It is portable.  
  • Users consume less data bandwidth.
  • Allow full access to website content.
3. JavaScript is also referred to as  ______________.
  • Interpreted Language 
  • Compiler Language  
4. Which one of the following is a JavaScript browser engine?
  • V8
  • Java
  • Safari
5. Which of the following is an integrated development environment? Select all that apply.  
  • Android Studio
  • Kotlin
  • Xcode
  • Swift
6. Kotlin is a ______________ programming language for building android apps.  
  • Single platform  
  • Multi platform 
7. The Swift programming language gives developers the ability to build apps for which of the following?  
  • tvOS
  • airOS  
8. What engine  is responsible for compiling the entire website code before displaying it to users?
  • Android
  • Swift
  • JavaScript

Module quiz: Introduction to HTML and CSS

1. To display a link to another HTML document, the ______________ tag is used. 
  • anchor (a) 
  • html 
  • img 
  • link 
2. To add an image to a webpage, the ______________ tag is used. 
  • link 
  • image 
  • img 
  • anchor (a) 
3. To represent the HTML document in JavaScript, the browser builds a _____________. 
  • Document Object Model 
  • HTML Script 
  • HTML Element Model 
4. Which CSS property and value changes the HTML element to a block-level element? 
  • align-content 
  • list-style 
  • content 
  • display: block 
5. Which CSS property and value changes the text to center alignment? 
  • text-align: center 
  • vertical-align 
  • align-items 
  • align-self 
6. To reference a CSS file in a HTML document, you use the ______________ tag. 
  • style 
  • head 
  • script 
  • link 
7. In the following CSS rule, the `h1` part of the rule is called the ______________. 
h1 {
    color: green;
}
  • Box Model 
  • Selector 
  • Inheritance 
  • HTML 
8. Which of the following improve web accessibility for people with disabilities? 
  • Correct HTML structure 
  • Appropriate use of HTML elements 
  • Accessible Rich Internet Application (ARIA) techniques 

Module Quiz: React and React Native

1. Which of the following is a benefit of using React Native for app development? Select all that apply.
  • Code reusability     
  • Fast refresh     
  • Large developer community     
  • Free Deployment on App Store     
2. React Native is an extension of ReactJs library. 
  • True
  • False
3.  To improve performance, web servers can keep a copy of dynamic content in a ______________. 
  • Cloud
  • DOM    
  • Cache 
4. React library was designed to help the Facebook team ______________.
  • to build a dynamic and high performant web app.
  • to develop an efficient back end architecture.
  • to build a lite version for their existing web app.
5. The main approach for serving code and resources in a Single Page Application is called? 
  • Packets
  • Bundling
  • Code Boxing
6. React is a ______________ for building single page applications.     
  • Library
  • Framework
7. Components allow developers to improve development efficiency by reusing code.
  • True
  • False
8. A React application is built up of a tree of components called the Component ______________. 
  • Root
  • Branch
  • Library
  • Hierarchy

Graded assessment: Introduction to Mobile Development

1. True or False. In the request/response cycle, the web browser sends the request.
  • True
  • False
2. In the web browser, what is the role of HTML?
  • To describe the content of the web page
  • To provide interactivity and data processing
  • To describe the visual look and layout
3. To improve performance, React uses a ______________ to reduce updates to the browser DOM.
  • Copy DOM
  • New DOM
  • Virtual DOM
4. What will display on the web page inside the web browser for the following HTML document?
<!DOCTYPE html>
<html>
    <head>
        <title>Little Lemon</title>
    </head>
<body>
    <p>Our Menu</p>
    </body>
</html>
  • Little Lemon
  • Our Menu
5. A hyperlink is used to link to other documents and content. Which of the following is the correct way to use a hyperlink?
  • <anchor src="dog.png">
  • <a href="cat.png">
  • <a src="mouse.png">
6. In the following CSS rule, what is the width: 50%; part of the rule known as?
div {
    width: 50%;
  • Property
  • Selector
  • Attribute
7. What is the border box width for the following CSS rule?
div {
    width: 10px;
    padding-left: 5px;
    padding-right: 5px;
    border-width: 5px;
    margin-left: 10px;
    margin-right: 10px;
  • 20 pixels
  • 25 pixels
  • 30 pixels
  • 50 pixels
8. The Swift programming language gives developers the ability to build apps for which of the following? 
  • tvOS
  • airOS
9. Components allow developers to improve development efficiency by reusing code.
  • True
  • False
10. React applications are built using reusable pieces of code. What are these pieces known as?
  • Elements
  • Components
  • Snippets

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