B.TechSemester 52021-22Computer GraphicsKCS-053

Computer Graphics (KCS-053) - AKTU Question Paper 2021-22

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 2021-22. 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:2021-22

University:AKTU / UPTU

Rate this paper

Questions Asked in 2021-22

Computer Graphics (KCS-053) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20

a
What is the difference between Raster and Random Scan?
b
What is the role of a fra me buffer in raster method?
c
What is the difference betwee n computer graphics and image processing?
d
Distinguish between pixel ratio and aspect ratio
e
What is the difference between generation of character by stro ke and bitmap method?
f
What do you mean by 3-D geometry?
g
What do you mean by composite transformation?
h
Explain 2 D Translati on with diagrams. i. List the properties of Bezier Curves. j. What is Specular reflection

Section BAttempt any three o f t h e f o l l o w i n g : 10 x 3 = 30

a
What do you understand by shadow mask CRT? Give its advantages and disadvantages
b
Explain 3-dimensional clipping? What are the problems that are encountered in perspective projections?
c
What do you understand by clippi ng? Give Liang Barsky’s line c lipping algorithm
d
Explain reflection in detail. Wha t is reflection about an arbitrary line?
e
Draw a simple Illumination model. Include the contribution of Diffuse, Ambient and Specular Reflection

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10 x 1 = 10

a
Consider two raster systems with resolutions of 640* 480 an d 1280* 1024. How many pixels could be accessed per second in each of these s ystems by a display controller that refreshes the screen at a rate of 60 frames per second?
b
Consider the line from ( 5, 5) to (13, 9). Use the bresenham algorithm to rasterize the line
a
Use the Cohen –Sutherla nd algorithm to clip line P1 (70, 20) and P2 (100, 10) against a window lower left hand corner (50, 10) and upper right hand corner
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
What is window-to-view point coordinate transformation? What are issues related to multiple windowing?
b
What do you mean by projection? Differentiate between paral lel projection and perspective projection
a
What do you understand by the term “Back- Face Removal”? Ex plain a Back- Face Removal algorithm, you find convenient to implement. Justify your answer
b
Explain Z-Buffer algorithm
a
What do you understand by quadratic surfaces
b
Explain the difference between: - (i) Bezier and B-Spline curves (ii) Bezier and Hermite curves

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 — KCS-053

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

What is the difference between Raster and Random Scan?