Question 1
(a)
Explain following terms 1. Persistence 2. Resolution 3. Frame Buffer
3 Marks
(b)
Write applications of Computer Graphics.
4 Marks
(c)
Explain Beam Penetration method and Shadow Mask method with diagram.
7 Marks
Gujarat Technological UniversityWinter 2025 Examination
GTU 3150712 Computer Graphics Winter 2025 Paper Solution & PDF
B.E. · Computer Engineering · Semester 5 · Subject Code: 3150712
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
Question 2
(a)
Explain any two Character Generation methods.
3 Marks
(b)
Which are methods of inside-outside test? Explain each method in brief.
4 Marks
(c)
Explain scan line fill algorithm with all data structures.
7 Marks
OR OPTION
(c)
Write DDA line drawing algorithm with all necessary derivations.
7 Marks
Question 3
(a)
Write a short note on 2D shearing along with X-direction and Y-direction.
3 Marks
(b)
Explain Window to Viewport transformation.
4 Marks
(c)
Explain and write Liang Bersky line clipping algorithm.
7 Marks
OR OPTION
(a)
Explain 2D Rotation with example
3 Marks
(b)
Write a short note on Homogenous co-ordinates.
4 Marks
(c)
What is aliasing? How to compensate the aliasing? Explain in detail.
7 Marks
Question 4
(a)
Explain 3D Translation.
3 Marks
(b)
Briefly explain 3D viewing process.
4 Marks
(c)
List the advantages of the B-splines over the Bezier splines and explain the B-spline curves properties.
7 Marks
OR OPTION
(a)
Compare interpolation spline and approximate spline.
3 Marks
(b)
Differentiate: Parallel vs. Perspective Projection
4 Marks
(c)
Write a short note on composite transformations in 3 Dimension and demonstrate it with composite transformation matrix (CTM).
7 Marks
Question 5
(a)
Explain any two 3D display methods.
3 Marks
(b)
Explain back face detection in details.
4 Marks
(c)
Explain RGB and CMY color models.
7 Marks
OR OPTION
(a)
Explain ambient light in brief.
3 Marks
(b)
Explain the term hue and saturation.
4 Marks
(c)
Explain z-buffer visible surface determination algorithm.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Computer Graphics (Winter 2025, B.E. · Computer Engineering, Sem 5). 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.