Tribhuvan University
Bachelor of Computer Application
Semester 3 · TU Board 2025
Course Title: System Analysis And Design (CACS203)
Full Marks: 60Pass Marks: 24Time: 3 hours
Candidates are required to answer the question in their own words as far as possible.
Group B
Attempt any SIX question.(6 × 5 = 30)
- 2.5
Define information system. What are its characteristics?
Answer comingAlso asked in 2025, 2023, 2019
- 3.5
What are different types of maintenance and when should they be implemented.
- 4.5
Define interface. What are different methods of interaction? Explain them briefly.
- 5.5
Prototyping is one of the effective methods to determine the requirement. Do you agree with the statement? Justify.
- 6.5
What is cost benefit analysis? Explain different areas that come under intangible benefits.
- 7.5
What is outsourcing? What are the advantages and disadvantages of outsourcing?
- 8.5
What are the different considerations that must be kept in mind to better design forms and reports?
Group C
Attempt any TWO questions(2 × 10 = 20)
- 9.10
List and define DFD symbols. Draw a DFD up to level-2 for any food ordering system (assume requirements as required).
- 10.10
What is data modeling, Explain conceptual, logical and physical data modeling? Explain normalization up to 3NF.
- 11.10
What are different types of information system? Explain them briefly.
Answer comingAlso asked in 2025, 2023, 2019
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