File Info
| Exam | Flutter Beginner Exam |
| Number | FBE-001 |
| File Name | ExamFiles.FBE-001.ExamFiles.2024-06-26.24q.vcex |
| Size | 18 KB |
| Posted | Jun 26, 2024 |
| Download | ExamFiles.FBE-001.ExamFiles.2024-06-26.24q.vcex |
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Demo Questions
Question 1
What is Flutter?
- A mobile app development framework built by Facebook
- A cross-platform development framework created by Google
- A programming language for web development
- A library for creating user interfaces for desktop applications
Correct answer: B
Explanation:
Flutter is an open-source cross-platform development framework created by Google. It allows developers to build high-performance, natively compiled applications for mobile, web, and desktop platforms from a single codebase. Flutter is an open-source cross-platform development framework created by Google. It allows developers to build high-performance, natively compiled applications for mobile, web, and desktop platforms from a single codebase.
Question 2
What is the programming language used for Flutter development?
- Java
- Kotlin
- Swift
- Dart
Correct answer: D
Explanation:
Dart is the programming language used for Flutter development. It is a versatile and object-oriented language that is well-suited for building mobile, web, and desktop applications. Dart is the programming language used for Flutter development. It is a versatile and object-oriented language that is well-suited for building mobile, web, and desktop applications.
Question 3
What is the basic building block of a Flutter app?
- Activity
- Fragment
- View
- Widget
Correct answer: D
Explanation:
Everything in Flutter is built using widgets. Widgets are the fundamental building blocks of Flutter UIs. They are used to create everything from buttons and text fields to complex layouts and animations. Everything in Flutter is built using widgets. Widgets are the fundamental building blocks of Flutter UIs. They are used to create everything from buttons and text fields to complex layouts and animations.
Question 4
What is the purpose of the hot reload feature in Flutter?
- To automatically save changes to the code without restarting the app
- To quickly test different UI designs
- To debug errors in the code
- To optimize the performance of the app
Correct answer: A
Explanation:
Hot reload is a feature of Flutter that allows developers to see changes to their code reflected instantly in the app without having to restart the app. This makes it much faster and easier to develop Flutter apps. Hot reload is a feature of Flutter that allows developers to see changes to their code reflected instantly in the app without having to restart the app. This makes it much faster and easier to develop Flutter apps.
Question 5
What is the difference between a StatefulWidget and a StatelessWidget in Flutter?
- A StatefulWidget can maintain state, while a StatelessWidget cannot.
- A StatefulWidget is more complex than a StatelessWidget.
- A StatefulWidget is used for creating UI elements that change over time, while a StatelessWidget is used for creating static UI elements.
- A StatefulWidget is required for using the hot reload feature.
Correct answer: A
Explanation:
The main difference between a StatefulWidget and a StatelessWidget is that a StatefulWidget can maintain state, while a StatelessWidget cannot. This means that a StatefulWidget can remember information between widget builds, while a StatelessWidget cannot. The main difference between a StatefulWidget and a StatelessWidget is that a StatefulWidget can maintain state, while a StatelessWidget cannot. This means that a StatefulWidget can remember information between widget builds, while a StatelessWidget cannot.
Question 6
What is the purpose of the Navigator widget in Flutter?
- To manage the navigation between different screens in an app
- To display a list of options for the user to choose from
- To handle user input
- To create animations
Correct answer: A
Explanation:
The Navigator widget is used to manage the navigation between different screens in a Flutter app. It provides a way to push and pop screens onto the navigation stack, as well as to handle transitions between screens. The Navigator widget is used to manage the navigation between different screens in a Flutter app. It provides a way to push and pop screens onto the navigation stack, as well as to handle transitions between screens.
Question 7
What is the difference between an async function and a Future in Dart?
- An async function is a type of function that can return a Future.
- A Future is a type of object that represents the eventual completion of an asynchronous operation.
- An async function is used to start an asynchronous operation, while a Future is used to wait for the completion of an asynchronous operation.
- All of the above.
Correct answer: D
Explanation:
All of the above statements are true. An async function is a type of function that can return a Future. A Future is a type of object that represents the eventual completion of an asynchronous operation. An async function is used to start an asynchronous operation, while a Future is used to wait for the completion of an asynchronous operation. All of the above statements are true. An async function is a type of function that can return a Future. A Future is a type of object that represents the eventual completion of an asynchronous operation. An async function is used to start an asynchronous operation, while a Future is used to wait for the completion of an asynchronous operation.
Question 8
What is the purpose of the pubspec.yaml file in a Flutter project?
- To define the dependencies of the project
- To configure the project's build settings
- To define the project's main entry point
- All of the above.
Correct answer: D
Explanation:
The pubspec.yaml file is a YAML file that defines the metadata for a Flutter project. It includes information such as the project name, description, dependencies, and build settings. The pubspec.yaml file is a YAML file that defines the metadata for a Flutter project. It includes information such as the project name, description, dependencies, and build settings.
Question 9
What is the difference between a MaterialApp and a CupertinoApp in Flutter?
- A MaterialApp is used to create apps with a Material Design look and feel, while a CupertinoApp is used to create apps with a Cupertino Design look and feel.
- A MaterialApp is only for Android apps, while a CupertinoApp is only for iOS apps.
- A MaterialApp is more complex than a CupertinoApp.
- A MaterialApp is required for using the hot reload feature.
Correct answer: A
Explanation:
A MaterialApp is used to create apps with a Material Design look and feel, which is the default design language for Android apps. A CupertinoApp is used to create apps with a Cupertino Design look and feel, which is the default design language for iOS apps. A MaterialApp is used to create apps with a Material Design look and feel, which is the default design language for Android apps. A CupertinoApp is used to create apps with a Cupertino Design look and feel, which is the default design language for iOS apps.
Question 10
What is the purpose of the ThemeData widget in Flutter?
- To define the overall style of an app
- To provide a set of default colors and fonts for the app
- To allow developers to customize the look and feel of the app
- All of the above.
Correct answer: D
Explanation:
All of the above statements are true. The ThemeData widget is used to define the overall style of an app. It provides a set of default colors and fonts for the app, and it allows developers to customize the look and feel of the app to match their specific needs. All of the above statements are true. The ThemeData widget is used to define the overall style of an app. It provides a set of default colors and fonts for the app, and it allows developers to customize the look and feel of the app to match their specific needs.
