Chapter Exam

Chapter-6 App Development Basics — Online MCQ Test

Q: Which of the following is NOT a mobile operating system?

Answer: C. Windows Server — Windows Server is a server operating system, not a mobile operating system. Android, iOS, and Windows Phone are designed for mobile devices.

INFORMATION TECHNOLOGY · Grade 8 · CBSE(NCERT)

Practice Chapter-6 App Development Basics with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 8 INFORMATION TECHNOLOGY. This chapter covers: mobile operating system - user interface - UI design - components - event-driven programming - blocks editor - emulator - APK file. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-6 App Development Basics — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 8 INFORMATION TECHNOLOGY — Chapter-6 App Development Basics, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is a mobile operating system?

A. Software that manages hardware and runs applications on mobile devices ✓
B. A type of application used for messaging
C. The physical screen of a mobile device
D. A programming language for coding apps

Answer: A. Software that manages hardware and runs applications on mobile devices
A mobile operating system is the core software that controls mobile device hardware and allows applications to run on it.

Which of the following is NOT a mobile operating system?

A. Android
B. iOS
C. Windows Server ✓
D. Windows Phone

Answer: C. Windows Server
Windows Server is a server operating system, not a mobile operating system. Android, iOS, and Windows Phone are designed for mobile devices.

Which statement about UI design is true?

A. UI design focuses on how the application looks and feels to the user ✓
B. UI design is only concerned with the color of applications
C. UI design has no impact on user experience
D. UI design is the same as writing backend code

Answer: A. UI design focuses on how the application looks and feels to the user
UI design encompasses visual layout, colors, buttons, text, and all interactive elements that form the user experience of an application.

Compare blocks-based programming with text-based programming. Which advantage does blocks-based offer for beginners?

A. It requires less syntax knowledge and reduces coding errors through visual representation ✓
B. It produces faster running applications
C. It can only be used for simple apps
D. It automatically adds animations to the app

Answer: A. It requires less syntax knowledge and reduces coding errors through visual representation
Blocks-based programming simplifies learning by using visual blocks instead of complex syntax, making it ideal for beginners and reducing syntax-related errors.

A developer creates an app in blocks editor but wants to add advanced features later. Which scenario could pose a challenge?

A. Blocks editor limitations for complex logic might necessitate transitioning to text-based programming for advanced functionality ✓
B. The app cannot be published as an APK file
C. Emulators will not support apps created in blocks editor
D. Mobile operating systems reject apps from blocks editors

Answer: A. Blocks editor limitations for complex logic might necessitate transitioning to text-based programming for advanced functionality
While blocks editors are great for learning, they have limitations for complex features, often requiring developers to eventually transition to traditional programming languages.