Web development is the process of creating and maintaining websites or web applications, including frontend, backend, and database work.

Frontend focuses on what users see and interact with, while backend handles server logic, databases, and APIs.

Common languages include HTML, CSS, JavaScript for frontend, and Node.js, Python, PHP, or Java for backend.

Yes, web development offers strong job demand, good salaries, and opportunities for freelance and remote work.

Mobile application development is the process of creating software applications that run on mobile devices like Android and iOS.

Native apps are built for a specific platform using platform-specific languages, while hybrid apps use web technologies and run on multiple platforms.

Common languages include Java and Kotlin for Android, Swift for iOS, and JavaScript or Dart for cross-platform apps.

Mobile apps use encryption, secure authentication, and follow platform security guidelines to protect user data.