Tribhuvan University
Bachelor of Computer Application
Semester 8 · TU Board 2025
Course Title: Data Analysis and Visualization (CACS455)
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
What are the importances of data visualization? What are the impacts of proper use of colors in data visualization? [3+2]
- 3.5
Explain different types of visual analytics in detail. [5]
- 4.5
How hierarchical data can be visualized? Explain the techniques in detail. [1+4]
- 5.5
What is visual mapping? How can we perform visual mapping? [1+4]
- 6.5
What is scalar field in data visualization? Explain applications of it. [2+3]
- 7.5
Explain about Detroit dataset. Also explain the suitable visualization technique to visualize this dataset. [2+3]
- 8.5
Write short notes on: (Any two) [2.5+2.5] a) Visual encoding b) Types of maps c) Tableau
Group C
Attempt any TWO questions(2 × 10 = 20)
- 9.10
Explain different levels of text representation. Also explain different techniques for text data visualization in detail. [4+6]
- 10.10
What are the importances of spatial data visualization? How different kinds of marks and channels can be used in spatial data visualization? Explain. [3+7]
- 11.10
How separate, order and align can be used in non-spatial data visualization? Explain word cloud for data visualization. [6+4]
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