| SESSION | JANUARY/FEBRUARY 2026 |
| PROGRAM | BACHELOR OF COMPUTER APPLICATIONS (BCA) |
| SEMESTER | VI |
| COURSE CODE & NAME | DCA3201 MOBILE APPLICATION DEVELOPMENT |
Assignment Set – 1
Q.1. Draw the android architecture diagram with functions of each layer. (5+5 = 10 Marks)
Ans 1.
Android Architecture Overview
Android is an open source mobile operating system based on an altered version of Linux kernel. Its architecture is organized as the stack of layers, with each layer providing particular services and abstractions for each layer over it. The design allows for modularity, making it easier developers to develop applications without the need to handle hardware-specific information. The Android architecture consists of five primary layers which are laid out starting from the bottom and ending
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Q.2. a) How would you create an empty project in Android Studio. Enlist the major steps. b) Describe about the function of .java and .xml files in an Android project? (5+5 = 10 Marks)
Ans 2.
- a) Creating an Empty Project in Android Studio
Android Studio is the official Integrated Development Environment for Android application development. Making a brand new project with Android Studio follows a structured wizard-based process that sets up the necessary files and settings automatically.
The first step is to launch Android Studio and on the Welcome screen, select New Project. It will open the creation wizard. In the second step, an array of template templates will be displayed. Select Empty Activity and click Next to proceed with the basic project structure which is comprised of only the fundamental template and the activity files. It does not contain any
Q.3. Describe Dalvik Virtual Machine and Android Run Time (ART). (5+5 = 10 Marks)
Ans 3.
Dalvik Virtual Machine (DVM)
Dalvik Virtual Machine Dalvik Virtual Machine was the initial process virtual machine in Android starting with its release through Android 4.4 KitKat. It was specifically designed and optimized for mobile devices with limited resources including limited battery, processor, memory and memory compared to desktop or server environments. Dalvik was named after a fishing village located
Assignment Set – 2
Q.4. Explain the role of LoaderManager.LoaderCallbacks in managing Cursor Loaders and the significance of its methods in the Android Loader framework. (5+5 = 10 Marks)
Ans 4.
Role of LoaderManager.LoaderCallbacks
The Android Loader framework was introduced in Android 3.0 Honeycomb to provide a well-defined and a lifecycle-aware system for loading data at asynchronously within Activities and fragment components. Before Loaders, developers had to manage background threads manually by using AsyncTask or
Q.5. Discuss how Broadcast Receivers work in Android and provide an example scenario where they might be useful. (5+5 = 10 Marks)
Ans 5.
How Broadcast Receivers Work in Android
A Broadcast Receiver is one of four core elements of application on Android along with Activities, Services, as well as Content Providers. It allows an application take in and respond to broadcasts from the Android system or from other apps. Broadcasts are messages broadcast asynchronously across the Android system in order to inform interested applications of events or modifications
Q.6. Discuss the various CRUD operations available in SQLite database. Explain them with the help of suitable example. (5+5 = 10 Marks)
Ans 6.
CRUD Operations in SQLite Database
SQLite is a lightweight, self-contained, serverless relational database engine that is built in the Android operating system. It comes with a full-featured SQL database that is employed by Android applications to save structured data persistently on the device. “CRUD” stands for Create, Read, Update and Delete. They are the four most important processes for managing data within any database system. Android comes with the SQLiteDatabase class as well the
| SESSION | JANUARY/FEBRUARY 2026 |
| PROGRAM | BACHELOR OF COMPUTER APPLICATIONS (BCA) |
| SEMESTER | VI |
| COURSE CODE & NAME | DCA3243 CLOUD COMPUTING |
Assignment Set – 1
Q.1. How would you justify the shift from traditional computing to cloud computing for a growing organization? Analyze the fundamental concepts of cloud computing and evaluate how they overcome the limitations of traditional systems. (5+5 = 10 Marks)
Ans 1.
Justifying the Shift to Cloud Computing
Conventional computing systems require businesses to acquire, install maintenance, manage, and maintain the hardware infrastructure that they have on their own premises. As a business grows, its computing needs expand rapidly, which means it has to procure more servers, storage systems, and networking equipment, frequently at large capital expense. This infrastructure sits idle when there is a lack of demand and then becomes inadequate during peak time, which can result in wasted investment
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Q.2. If you were asked to select an appropriate cloud service model (SaaS, PaaS, or IaaS) for a startup, how would you decide? Critically compare these models and justify your choice with real-world examples. (6+4 = 10 Marks)
Ans 2.
Critical Comparison of Cloud Service Models
Infrastructure as a Service provides the cloud’s most essential resources comprising virtual machines, storage, and networking. The user is in charge of overseeing the operating system, middleware and runtime, as well as data and apps, whereas the cloud provider manages the physical hardware and virtualization layer. IaaS offers maximum versatility and control. This makes it suitable for organizations that have specific requirements for their infrastructure or that require run custom configurations. Examples
Q.3. Imagine you are a technology consultant for an enterprise planning to migrate to the cloud. What strategic decisions would you prioritize, and how would your choices impact business performance, security, and cost? Support your analysis with examples. (5+5 = 10 Marks)
Ans 3.
Strategic Migration Decisions
Cloud migration is among the most important technology choices enterprises can make. As a consultant in technology, the first strategic decision is to carry out a comprehensive workload assessment before committing to any approach to migration. It involves identifying all current software, databases, and infrastructure elements, and then evaluating their dependence, requirements for performance regulatory requirements, business criticality. Certain workloads aren’t appropriate for cloud migration. Some
Assignment Set – 2
Q.4. A company is facing high operational costs in managing its IT infrastructure. How would you evaluate the role of cloud computing in reducing these costs while improving monitoring efficiency? Provide a reasoned analysis with practical examples. (5+5 = 10 Marks)
Ans 4.
Role of Cloud Computing in Cost Reduction
The management of in-house IT infrastructure creates a range of cost on businesses including capital expenses on hardware purchases, operational expenditure for power, cooling and physical space the cost of personnel for infrastructure management and the often underestimated cost of downtime caused by hardware failure or software glitches aren’t detected. If a business is experiencing significant operational
Q.5. Suppose an organization has users with varied technical expertise (developers, administrators, and non-technical staff). How would you select appropriate cloud access tools for each group? Analyze the role of these tools and justify the factors influencing your decisions. (5+5 = 10 Marks)
Ans 5.
Selecting Cloud Access Tools for Different User Groups
Cloud computing-based organizations typically have users with very various levels of technical proficiency who need to interact with cloud resources in radically different ways. A one-size-fits-all approach to cloud access tooling leads to either excessive complexity for users who are not technical or inadequate resources for administrators and developers. The choice of the right tools to each user group has to be guided by their specific tasks, technical proficiency, security requirements, and demands for
Q.6. If multiple cloud service providers need to work together in a hybrid or multi-cloud environment, how would cloud computing standards ensure smooth interoperability and reliable services? Critically examine their importance with suitable scenarios. (5+5 = 10 Marks)
Ans 6.
Cloud Standards for Interoperability in Hybrid and Multi-Cloud Environments
A hybrid cloud environment includes private on-premises infrastructure and public cloud-based services. multi-cloud environments make utilization of several cloud providers at the same time including AWS for computation, Azure for AI services as well as Google Cloud for data analytics. As organizations increasingly adopt these sophisticated architectures in order to stay clear of locking in vendors, reduce
| SESSION | JANUARY/FEBRUARY 2026 |
| PROGRAM | BACHELOR OF COMPUTER APPLICATIONS (BCA) |
| SEMESTER | VI |
| COURSE CODE & NAME | DCA3246 SUPPLY CHAIN MANAGEMENT |
Assignment Set – 1
Q.1. (a) Illustrate and explain the key steps in the Supply Chain Management process. (b) Explain the different levels of decision in supply chain management with suitable examples. (5+5 = 10 Marks)
Ans 1.
- a) Key Steps in the Supply Chain Management Process
Supply Chain Management (SCM) is the management and coordination of every aspect associated with sourcing, procuring of goods, manufacturing and the transportation of goods from raw material suppliers to the end customer. The SCM process is comprised of a number of interconnected processes that assure the efficient and smooth circulation of goods, data and financial transactions across the supply network.
The first step is planning and
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Q.2. Discuss the role of information technology in the supply chain. What is the impact of e-Business in supply chain? Give an example to support your answer. (5+4+1 = 10 Marks)
Ans 2.
Role of Information Technology in the Supply Chain
Information technology is the foundation in modern-day supply chain management. which allows the storage, capture as well as processing and sharing of information among the supply chain at a rapid pace. Before the widespread adoption of IT systems in supply chains, they relied on processes based on paper, telephone
Q.3. What is SRM? Discuss its significance and advantages in supply chains. (5+5 = 10 Marks)
Ans 3.
Definition of Supplier Relationship Management (SRM)
Supplier Relationship Management (SRM) is a systematic way of evaluating, managing, and enhancing the relationship between an organization and its suppliers to maximize the benefit from such relationships in the longer term. SRM is a step beyond the traditional view of procurement which is focused on the negotiation of the lowest price and instead views the supplier relationship as an asset of strategic importance that needs to be continuously nurtured and maintained. This includes the
Assignment Set – 2
Q.4. (a) In what way do supply chain flows affect the success or failure of a firm like Amazon? List two supply chain decisions that have a significant impact on supply chain profitability. (b) Explain Decision Support Systems (DSS) in Supply Chain Management. Discuss its importance and applications in decision-making. (5+5 = 10 Marks)
Ans 4.
- a) Supply Chain Flows and Amazon’s Success
The supply chain is comprised of three interconnected streams: the flow of products from suppliers to customers, the flow of information throughout the participants in the chain, and the flow of funds from customers back to suppliers. The manner in which these flow can be managed in a direct way determines an organization’s ability to compete, its efficiency, and customer satisfaction. For
Q.5. (a) Discuss logistics information system. List some of its benefits. (b) What do you understand by third-party logistics services? Discuss its benefits. (5+5 = 10 Marks)
Ans 5.
- a) Logistics Information System
The Logistics Information System (LIS) is an information management system that stores, collects, manages, and disperses information associated with logistics operations, including transport, warehouses, inventory management, and even order fulfillment. It serves as the information foundation of logistics that allows managers to plan, manage and oversee the movement of goods efficiently and accurately. The LIS connects the data of multiple functions and trading partners into a unified
Q.6. Discuss use of data mining in the supply chain management. Elaborate on different data mining methods. (5+5 = 10 Marks)
Ans 6.
Use of Data Mining in Supply Chain Management
Data mining is the method to discover meaningful patterns, correlations, anomalies, and information from massive amounts of unstructured as well as structured data using statistical algorithms, machine learning methods, and databases. In the field of supply chain management data mining has emerged as an ever-more effective method of transforming the massive quantities of transactional data