BCA 4th Semester
Software Engineering Board Question Paper 2026 - Tribhuvan University (TU) 2026

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Tribhuvan University

Faculty of Humanities & Social Science
OFFICE OF THE DEAN
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Bachelor In Computer Application

Course Title: Software Engineering

Code No: CACS 253

Semester: IV

Full Marks: 60 Pass Marks: 24 Time: 3 hours

Candidates are required to answer the question in their own words as far as possible.

Group B
Attempt any SIX question.
[6x5=30]
2.

What is system engineering? Explain different types of software.

3.

Develop a detailed use-case diagram and description for an "Online Library Management System" for borrowing and returning books.

4.

Compare black-box and white-box testing with respect to fault detection capability.

5.

Write a test case for login functionality of Hospital Management System.

6.

Evaluate the role of re-engineering in extending software life.

7.

What is validation? Explain different type of maintenance.

8.

Write short notes: (Attempt any two) [2.5+2.5]
a) ISO 9000
b) Whitebox Testing
c) CASE Tool

Group C

Attempt any TWO questions

[2x10=20]
9.

Discuss the layered architectural model. Explain the main activities use in requirements engineering. What are the characteristics of a good Software Requirements Specification (SRS) document?

10.

Explain the challenges in software project scheduling. Discuss any two project scheduling techniques in detail with examples.

11.

Describe the principles of Agile Software Development. How does Extreme Programming implement these principles through its core practices?