Web Development

Which command installs external libraries in Node.js?

• npm install <library-name>

• node add <library-name>

• install package <library-name>

• npm include <library-name>

What is React Native used for?

• Creating websites

• Building mobile applications

• Designing graphics

• Managing databases

Which programming language is mainly used in React Native?

• Python

• JavaScript

• C++

• PHP

React Native was developed by which company?

• Google

• Microsoft

• Facebook (Meta)

• Apple

Which command creates a new React Native project using Expo?

• react-native new ProjectName

• npx react-native init ProjectName

• npm install expo

• npx create-expo-app ProjectName

What is the main advantage of React Native?

• It only works on Android

• It allows code reusability for both iOS and Android

• It does not use JavaScript

• It requires writing separate code for Android and iOS

Which component is commonly used for displaying text in React Native?

• <Text>

• <p>

• <Label>

• <Heading>

Which component is used for creating buttons in React Native?

• <Click>

• <TouchableOpacity>

• <ButtonTag>

• <Press>

Which command runs a React Native project on an Android emulator?

• react-native android

• npm start android

• npx react-native run-android

• run react-native android

What does JSX stand for in React Native?

• JavaScript XML

• Java Syntax Extension

• JSON Extended

• JavaScript Execution