Question 1
(a)
Explain in-line arrangement electron gun in shadow mask method.
3 Marks
(b)
Write short note on DVST with advantages.
4 Marks
(c)
Explain different techniques for producing color displays. with a CRT.
7 Marks
Gujarat Technological UniversitySummer 2025 Examination
GTU 3150712 Computer Graphics Summer 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 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Define:
1)Resolution
2)Pixel
3)Bitmap
3 Marks
(b)
Explain RST with suitable diagram.
4 Marks
(c)
Explain & derive all formulas for Bresenham’s line drawing algorithm.
7 Marks
OR OPTION
(c)
Explain In details: Emissive displays.
7 Marks
Question 3
(a)
Write short note on Boundary fill algorithm.
3 Marks
(b)
Derive all formulas for mid-point circle generation algorithm.
4 Marks
(c)
Explain Cohen Sutherland line clipping algorithm with example.
7 Marks
OR OPTION
(a)
Write short note on Antaliasing.
3 Marks
(b)
Explain: How point and line generated in graphics system?
4 Marks
(c)
Explain NLN line clipping algorithm with proper example.
7 Marks
Question 4
(a)
Explain scaling in 2D transformation.
3 Marks
(b)
Derive 3D Rotation matrix.
4 Marks
(c)
What is window and view-port? Retrieve equation for the scaling factor to map the window to view-port in 2D viewing system.
7 Marks
OR OPTION
(a)
Write short note on 3D translation.
3 Marks
(b)
Explain the Bazier curves and surfaces.
4 Marks
(c)
Derive transformation matrix for 2D rotation.
7 Marks
Question 5
(a)
What is ambient light and Diffuse illumination?
3 Marks
(b)
Write short note on RGB Color Model.
4 Marks
(c)
Explain Z-buffer visible surface determination algorithm.
7 Marks
OR OPTION
(a)
Explain: XYZ color models.
3 Marks
(b)
Explain back face detection in details.
4 Marks
(c)
Explain CIE diagram with its usefulness.
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 (Summer 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.