26. Apps are published and managed on Google Play through the:
- Google Play Console
- Google Cloud Shell
- App Store Connect
- Firebase Console
Answer: A) Google Play Console
Explanation: Play Console is the publishing portal.
MCQs / Computer Science / App Store Deployment and Mobile Programming Languages
App Store Deployment and Mobile Programming Languages MCQs — Computer Science (page 2)
40 multiple-choice questions on App Store Deployment and Mobile Programming Languages from Computer Science, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.
27. Objective-C method calls use which syntax?
- object.method()
- [object method]
- method(object)
- object-method
Answer: B) [object method]
Explanation: Objective-C uses Smalltalk-style square-bracket messaging.
28. A disadvantage of cross-platform frameworks compared with native development is:
- One code base
- Faster development
- Lower cost
- Larger app size and delay in supporting new OS features
Answer: D) Larger app size and delay in supporting new OS features
Explanation: Engines add size and frameworks must catch up with new APIs.
29. Which framework draws its own widgets with its rendering engine instead of using native views?
- React Native
- .NET MAUI
- Flutter
- Native Kotlin
Answer: C) Flutter
Explanation: Flutter renders every pixel with its engine.
30. Which language has been Google's preferred language for Android since 2019?
- Kotlin
- Swift
- Dart
- Java
Answer: A) Kotlin
Explanation: Google announced Kotlin-first Android development in 2019.
31. App Store Optimisation (ASO) means:
- Improving an app's visibility and conversion in store search
- Reducing RAM usage
- Testing on emulators
- Optimising the APK with R8
Answer: A) Improving an app's visibility and conversion in store search
Explanation: ASO covers title, keywords, screenshots, ratings and more.
32. C and C++ code in Android apps is written using the:
- NDK (Native Development Kit)
- Lint
- SDK Manager
- AVD
Answer: A) NDK (Native Development Kit)
Explanation: The NDK compiles native code for performance-critical parts.
33. Which testing track lets up to 100 listed testers get builds within minutes?
- Internal testing
- Staged rollout
- Production
- Open testing
Answer: A) Internal testing
Explanation: Internal testing is for quick team tests (up to 100 testers).
34. Google Play policy allows SMS and Call Log permissions mainly for:
- Apps that are the default SMS/phone handler or approved exceptions
- Apps with more than 1000 users
- All apps
- Games
Answer: A) Apps that are the default SMS/phone handler or approved exceptions
Explanation: These sensitive permissions are restricted.
35. The Apple Developer Program costs:
- USD 25 once
- USD 10 per app
- Free for students only
- USD 99 per year
Answer: D) USD 99 per year
Explanation: Apple charges an annual USD 99 fee.
36. The content rating on Google Play is obtained by:
- Asking users
- Completing the IARC content rating questionnaire
- Paying an extra fee
- Uploading an APK
Answer: B) Completing the IARC content rating questionnaire
Explanation: The IARC questionnaire generates age ratings.
37. Apple's language introduced in 2014 for iOS development is:
- Swift
- Kotlin
- Objective-C
- C
Answer: A) Swift
Explanation: Swift replaced Objective-C as the main iOS language.
38. Kotlin was created by:
- JetBrains
- Apple
- Oracle
Answer: A) JetBrains
Explanation: JetBrains created Kotlin in 2011.
39. iOS privacy "nutrition labels" are shown on:
- Xcode only
- The iPhone box
- The App Store product page
- The lock screen
Answer: C) The App Store product page
Explanation: They summarise data collection on the store page.
40. Which store distributes only free and open-source Android apps?
- F-Droid
- App Store
- Google Play
- Amazon Appstore
Answer: A) F-Droid
Explanation: F-Droid hosts FOSS apps.
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Practise App Store Deployment and Mobile Programming Languages MCQs
More Computer Science chapters
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