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
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Questions Asked in 2021-22
Computer Graphics (KCS-053) — extracted question text
Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
- aWhat is the difference between Raster and Random Scan?
- bWhat is the role of a fra me buffer in raster method?
- cWhat is the difference betwee n computer graphics and image processing?
- dDistinguish between pixel ratio and aspect ratio
- eWhat is the difference between generation of character by stro ke and bitmap method?
- fWhat do you mean by 3-D geometry?
- gWhat do you mean by composite transformation?
- hExplain 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
- aWhat do you understand by shadow mask CRT? Give its advantages and disadvantages
- bExplain 3-dimensional clipping? What are the problems that are encountered in perspective projections?
- cWhat do you understand by clippi ng? Give Liang Barsky’s line c lipping algorithm
- dExplain reflection in detail. Wha t is reflection about an arbitrary line?
- eDraw 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
- aConsider 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?
- bConsider the line from ( 5, 5) to (13, 9). Use the bresenham algorithm to rasterize the line
- aUse 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
- bObtain 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)
- aWhat is window-to-view point coordinate transformation? What are issues related to multiple windowing?
- bWhat do you mean by projection? Differentiate between paral lel projection and perspective projection
- aWhat do you understand by the term “Back- Face Removal”? Ex plain a Back- Face Removal algorithm, you find convenient to implement. Justify your answer
- bExplain Z-Buffer algorithm
- aWhat do you understand by quadratic surfaces
- bExplain 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. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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