B.TechSemester 52022-23Computer GraphicsKCS053

Computer Graphics (KCS053) - AKTU Question Paper 2022-23

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Computer Graphics Previous Year Question Paper for B.Tech Semester 5, academic session 2022-23. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 5

Session:2022-23

University:AKTU / UPTU

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Questions Asked in 2022-23

Computer Graphics (KCS053) — complete question paper

Section AAttempt all questions in brief. 2 x 10 = 20

a
What are the components of computer graphics?
b
Explain aliasing and ant aliasing
c
Explain curve clipping and text clipping with examples
d
Why are Homogeneous co-ordinates used for transformation comput ations in computer graphics?
e
What do you mean transformation in computer graphics?
f
Explain 3-D geometric primitives
g
Explain important terms used in projection
h
What is the difference between interpolation spline and approximation spline? (i) What do you understand by quadratic surfaces? Explain Sphere. (j) Explain different type of coherence

Section BAttempt any three of the following: 10x3 = 30

a
What is the difference between Bresenham and DDA Line drawing algorithms?
b
Describe Cohen Sutherland line Clipping Algorithm what is its limitations?
c
Explain 3-dimensional clipping? What are the problems that are encountered in perspective projections?
d
Discuss relative advantages and disadvantages of Gouraud Shading and Phong Shading
e
What is hidden surface detection? Explain Depth buffer or Z-buffer algorithm

Section CAttempt any one part of the following: 10x1 = 10

a
What do you understand by shadow m ask CRT? Give its advantages and disadvantages
b
Obtain the mirror reflection of the triangle formed by the vertices A (0, 3), B (2,0) and C(3,2) about the line passing through the points (1,3) and (–1, –1)
a
Describe Weiler Atherton Polygon Clipping Algorithm with example
b
Given a clipping window A(20,20),B(60,20), C(60,40),D(20,40).Using Sutherland Cohen Algorithm find the visible portion of line segment joining the points
a
What do you mean by projection? Differentiate between parallel projection and perspective projection with the help of diagram
b
Explain 3-dimensional clipping? What are the problems that are encountered in perspective projections?
a
Explain B-spline curves. Also describe its salient properties
b
What is the role of Bezier curves in designing curves and surfaces? Discuss its properties
a
What is back face removal algorithm? Describe the limitations of back face algorithm
b
Describe the Phong’s illumination model

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KCS053

Questions that appeared in more than one session, found by comparing 3 years of Computer Graphics papers (2021-22, 2022-23, 2023-24)

Explain 3-dimensional clipping? What are the problems that are encountered in perspective projections?