Briefly explain various types of research approaches.

State whether the following statements are true or false and a Iso give the reason in support of your answer.

(i) A blueprint of research work is called research design.

(ii) The method of research involves in manipulating one variable to establish causation with another variable is known as Experimental research.

(iii) An example of qualitative research is Grounded theory research.

(iv) When researchers use designs that call for multiple groups, the most commonly employed test is F-test.

(v) The term "research methodology" refers to the theoretical paradigms for data collection, analysis and interpretation.

Propose measures to secure sensitive user data policies in an Android application.

Discuss three common performance bottlenecks in Android apps. Suggest strategies to profile and optimise application performance using Android Studio.

Describe the steps required to publish an Android application to the Google Play Store. Include considerations for setting up a monetisation strategy using in-app purchases.

Explain the differences between SQLite, Shared Preferences, and Room Database in Android. Provide a scenario where each storage option is the most appropriate.

Describe the use of Espresso for UI testing in Android. Write a test case to verify the behavior of a button click that changes the text of a TextView.

Outline the strategies to ensure compatibility with Android's fragmented ecosystem. Include techniques to handle API level differences and screen resolutions.

Discuss the features of Gradle used in Android Studio. Provide an example of how to include a third-party library in your Android project using Gradle.

Design a flowchart to depict a custom Activity Lifecycle that includes logging the state transitions. How would you manage state persistence during configuration changes?

Explain the role of the Dalvik Virtual Machine (DVM) and ART in Android's runtime environment. Discuss their impact on application performance and memory management.

Compare the Android platform with one other open-source mobile operating system, focusing on community contributions and licensing models.

Write a Python program using NumPy to

(i) Create following two matrices A and B with following elements.

(ii) Compute the (a) Addition, (b) Multiplication and (c) Inverse of these matrices.

(iii) Combine the given matrices colume-wise.

The following datas consist of sales of a product for 6 months:

Write a Python program to

(i) create a list named SD for the given sales data.

(ii) Use a suitable loop function to compute the average sales. Verify it with the built in function.

(iii) Extract the months having sales greater than ` 30,000.

(iv) Plot a line chart using Matplotlib to show given monthly sales of the product. Also, add appropriate labels, title, and legend

Write a Python program that takes an integer input from the user:

(i) Check if the number is positive, negative, or zero using an if...elif...else statement.

(ii) Print a suitable message based on the result.

Write a Python program that demonstrates:

(i) A list of integers with operations like adding, removing, and modifying elements.

(ii) A tuple of integers and explain why tuples are immutable.

Differentiate between lists and tuples in Python.

पूछताछ सम्बन्धी यातना (Investigative Torture)

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