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Gujarat Technological UniversitySummer 2025 Examination

GTU 3160717 Data Visualization Summer 2025 Paper Solution & PDF

B.E. · Computer Engineering · Semester 6 · Subject Code: 3160717
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Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)

What is AJAX in context of data reading? Explain use of it with an example.

3 Marks
(b)

Write the steps of styling your data using XSLT taking example data of your choice..

4 Marks
(c)

What are Charting Primitives? Explain any three chart types with example of each.

7 Marks

Question 2

14 MarksMedium
(a)
Explain the reading and displaying of the JSON content in brief.
3 Marks
(b)
What is linear interpolation? How it is important in Charting?
4 Marks
(c)
Explain the difference between tag and SVG.
7 Marks
OR OPTION
(c)

What is Google API? Write HTML code to display a pie chart of “Product Sales” using Google APIs.

7 Marks

Question 3

14 MarksMedium
(a)
Explain the significance of D3 using various application instances.
3 Marks
(b)
Explain Nested Selections in D3.
4 Marks
(c)

Explain how to use the HTML5 canvas to render dynamic column charts in brief.

7 Marks
OR OPTION
(a)
Explain Selection in D3.
3 Marks
(b)
Explain Data Joining in D3.
4 Marks
(c)

How Chart Animations work? Explain with an example of Google Chart APIs.

7 Marks

Question 4

14 MarksMedium
(a)
Explain the importance of update, enter, and exit function in D3.
3 Marks
(b)
Explain interactive buttons with suitable example.
4 Marks
(c)
How to add Play button to the page? Explain with example.
7 Marks
OR OPTION
(a)
Explain use of DOM in D3.
3 Marks
(b)
How can you interrupt a play button? Explain with an example code.
4 Marks
(c)
What are transitions? How they work? How they can be chained together?
7 Marks

Question 5

14 MarksMedium
(a)
Explain designing of bullet graph.
3 Marks
(b)
Explain the advantages of using Graphics_Library of graphs in brief.
4 Marks
(c)
What are dashboard design issues and assessment of needs?
7 Marks
OR OPTION
(a)
Explain designing of sparkline graph.
3 Marks
(b)
Explain the characteristics of a well designed dashboard.
4 Marks
(c)
Explain the critical design practices in detail.
7 Marks
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About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Data Visualization (Summer 2025, B.E. · Computer Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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