IGNOU BCA BCS 51 Introduction to Software Engineering Solved Assignment ENGLISH

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BCS 051 (July 2026 - January 2027) - ENGLISH

Course Code: BCS-051
Course Title: Introduction to Software Engineering
Assignment Number: BCA(V)/051/Assignment/2026-27
Maximum Marks: 100
Weightage: 25%
Last Date of Submission:
31st October, 2026 (For July 2026 Session)
30th April, 2027 (For January 2027 Session)
Note: This assignment has eight questions carrying 10 marks each for a total of 80 marks. Answer all questions. The remaining 20 marks are for Viva Voce. Draw suitable diagrams wherever necessary.
Q1:
(a) Explain the characteristics of a good Software Requirements Specification (SRS). Discuss any five characteristics recommended for preparing an effective SRS document. (5 Marks)
(b) A university intends to develop an Online Examination Management System. Identify five functional requirements and five non-functional requirements that should be included in its SRS. (5 Marks)
Q2:
An organization plans to automate its Library Management System.
(a) Draw a Context Diagram showing the interaction between the system and external entities. (4 Marks)
(b) Develop a Level-1 Data Flow Diagram (DFD) consisting of at least four major processes. (6 Marks)
Q3:
A company wishes to develop an Online Grocery Delivery System using an object-oriented approach.
(a) Identify the major classes, their attributes and operations. (5 Marks)
(b) Draw a Use Case Diagram showing the interaction among Customer, Delivery Executive and Administrator. (5 Marks)
Q4:
A software company estimates that a project consists of 480 Function Points.
The productivity of the development team is 12 Function Points per Person-Month.
The project is expected to be completed in 8 months.
(a) Calculate the estimated effort in person-months.

BCS 51 2025 2026 - English

Course Code : BCS-051

Course Title : Introduction to Software Engineering

Assignment Number : BCA(V)051/Assignment/2025-26

Maximum Marks : 100

Weightage : 25%

Last Date of Submission : 31 October, 2025(For July, Session) 30 April, 2026(For January, Session)

Note: This assignment has eight questions for a total of 80 marks. Answer all the questions. Each question carries 10 marks. The rest 20 marks are for viva voce. You may use illustrations and diagrams to enhance explanations.

Q1.(a) Compare and contrast the Waterfall Model and the Spiral Model of software development based on the following criteria:

• Risk Handling Capability
• Flexibility to accommodate changes
• Customer Involvement
• Suitability for large vs. small projects

(b) For which of the following scenarios would you choose the Spiral model over the Waterfall model? Justify your

• Scenario 1: Developing a simple inventory management system with well-understood requirements.
• Scenario 2: Developing a cutting-edge research prototype for an Al-based medical diagnosis tool where requirements are expected to evolve.

Q2. You are tasked with developing a "Hostel Management System" for a university. The system should manage student check-in/check-out, fee payments, room allocation, and mess billing.

Prepare a Software Requirements Specification (SRS) document for this system. Your SRS must include at least the following sections as per the IEEE 830 standard:

a. Introduction (Purpose, Scope, System Overview)

b. Overall Description (Product Perspective, User Characteristics, Constraints)

c. Specific Requirements (At least two Functional Requirements and two Non-Functional Requirements, e.g., performance, security).

Q3. For the "Hostel Management System" described in Q2, create the following Data Flow Diagrams (DFDs):

(a) A Context-Level (Level 0) DFD showing the main system and its interactions with extemal entities (eg, Student, Administrator, Accounts Department).

(b) A Level 1 DFD that decomposes the main process from the Context-Level diagram into at least three major sub-processes (e.g., "Manage Student Registration," "Process Fee Payments," "Allocate Rooms").

Q4. A software project has been estimated to have 300 Function Points (FP). The project is being developed by a team with average experience, and the complexity of the project is considered high. The company uses a productivity factor of 10 FP per person-month.

(a) Calculate the estimated effort in person-months.

(b) If the project needs to be completed in 6 months, calculate the estimated team size (number of people required).

(c) Briefly explain what a "Function Point" represents in software estimation and why it is often preferred over Lines of Code (LOC) as a metric.

Q5.(a) Differentiate between Black-Box Testing and White-Box Testing. Provide one example testing technique for each.

(b) Explain the hierarchy of software testing levels: Unit Testing, Integration Testing, and System Testing. Describe the primary goal of each level.

Q6. Suppose a software application for online ticket booking has been successfully deployed. Describe a scenario that would necessitate each of the following types of software maintenance.

(a) Corrective Maintenance

(b) Adaptive Maintenance

(c) Perfective Maintenance

(d) Preventive Maintenance

Q7. What is Software Quality Assurance (SQA)? Describe four key activities that a dedicated SQA team would perform during the software development lifecycle to ensure the final product meets the desired quality standards.

Q8.(a) What is Software Configuration Management (SCM)? Explain its importance in a team-based software development environment.

(b) Define the following SCM concepts and explain their relationship:

• Configuration Item (CI)
• Baseline
• Version Control

 

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