Tribhuvan University
Bachelor of Computer Application
Semester 8 · TU Board 2025
Course Title: Geographical Information System (CACS477)
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
Analyze the future challenges and opportunities for GIS in the context of smart cities. [5]
- 3.5
Compare cylindrical, conical and azimuthal map projections. Which one is best suited for global mapping and why? [3+2]
- 4.5
Define a map and explain its essential characteristics. How do maps differ from other forms of spatial representation? [2+3]
- 5.5
Discuss the advantages and limitations of using GPS, remote sensing and surveying as GIS data sources. [5]
- 6.5
Describe the process of network analysis in GIS. Provide an example of its use in transportation logistics. [5]
- 7.5
Define GIS database design and explain how Digital Elevation Models (DEMs) are used in terrain analysis. [2+3]
- 8.5
Write short note on (Any Two): [2.5+2.5] a) Components of GIS b) TIN data structures c) Recent trends in GIS
Group C
Attempt any TWO questions(2 × 10 = 20)
- 9.10
Describe the process of GIS data modeling. Why it is important for spatial analysis? [5+5]
- 10.10
Describe raster-based analysis in GIS. Explain how it differs from vector-based analysis. [5+5]
- 11.10
Explain surface modeling in GIS. Discuss its role in environmental analysis. [5+5]
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