Mobile Application Development Final Year Examination Paper:Chandigarh University

📘 Chandigarh University – MCA/BCA/B.Tech

These Final-Semester papers are part of the official examinations of Chandigarh University,
designed to test knowledge and practical understanding of core MCA, Computer Applications, and B.Tech subjects.

💡 Each paper encourages students to think critically, apply concepts, and showcase problem-solving skills — helping them prepare for real-world IT challenges.

Usage Condition:

📖 Papers are for reference and study purposes only.
🧑‍🎓 Students should use them responsibly and not for any malpractice.
📅 Availability depends on the course and year.

Mobile Application Development

Subject Code: 25MCA545
Semester: 1 | Time: 3 Hours | Max Marks: 60

Section A

(5 × 2 = 10 Marks)

Describe the difference between nullable and non-nullable types in Kotlin. (CO2)
List the different types of layouts available in Android. Write examples. (CO3)
Explain the process of creating and adding an external JAR file to an Android project. (CO4)
Differentiate Firebase Realtime Database from Firestore Database. (CO4)
Outline the standard commands utilized in SQLite Database with examples. (CO1)

Section B

(4 × 5 = 20 Marks)

Explain the keywords in Kotlin loops using suitable examples. (CO1)
Compare XML and JSON data interchange formats. Highlight their differences in use cases in mobile application development. (CO5)
XML parsing: What is XML parsing in Android? Write the advantages and disadvantages of using SAX over other XML parsing techniques. (CO4)
Evaluate the significance of Android being open-source for developers and users. (CO2)

Section C

(3 × 10 = 30 Marks)

Purpose system using Intents to allow communication between multiple Android components with suitable example. (CO3)
Describe the role of Shared Preferences in Android app development. Provide explanation of how Shared Preferences can be used to implement Remember Me feature in login screen, along with corresponding code snippet. (CO4)
Provide the architecture and working of the Firebase Realtime Database. How does it handle synchronization across multiple devices? (CO4)