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Comp 414: Introduction To Computer Graphics Question Paper

Comp 414: Introduction To Computer Graphics

Course:Bachelor Of Computer Science

Institution: Kabarak University question papers

Exam Year:2011

COURSE CODE: COMP 414
COURSE TITLE: INTRODUCTION TO COMPUTER
GRAPHICS
STREAM: Y4S1
INSTRUCTIONS:
Section A is compulsory.
Attempt any Two from section B

SECTION A (30 MARKS)
Section A is compulsory.

1. Define computer graphics giving an example (2 marks)
2. Explain the following terms as used in computer graphics.
i. Bitmap
ii. Pixmap
iii. Persistence (6 marks)
3. What do you mean by Emissive and Non-Emissive displays? Explain the working
nature of Emissive and Non-Emissive displays with examples (4 marks)

4. What are the two principal applications of image processing? Explain (2 marks)
5. What is clipping? Write notes on point clipping and text clipping (3 marks)
6. Explain about refresh CRT and how light is emitted (3 marks)
7. Give the working nature of any two output devices (4 marks)
8. Mention the different types of clipping algorithms. (3 marks)
9. Give the disadvantage of DDA line drawing algorithm? (1 mark)
10. What is a true-color system? (2 marks)

SECTION B
Answer any Two questions
Question two (20 marks)
1. With the aid of a neat sketch explain the working nature of a CRT (6 marks)
2. Explain four applications of Computer Graphics (4 marks)
3. Consider the line point from (0,0) to (4,6) using the simple DDA algorithm
rasterize the line points and plot the points .(4 marks)
4. With the aid of a diagram explain Video Controller for Raster Scan Processor.
(2 marks)
5. Define Geometric Transformation? (2 marks)
6. Define world coordinates. (2 marks)

Question three (20 marks)
1. Explain how the following clipping operations are performed:
i. Point Clipping.
ii. Exterior Clipping.
iii. Curve Clipping.
iv. Text Clipping. ( 6 marks) Page 3 of 3

2. List various input devices and explain any 5 of them. (5 marks)
3. Explain the following two dimensional transformations citing a matrix representation
example of each
i. Translation
ii. Rotation
iii. Scaling ( 6 marks)
4. Explain view port and window (2 marks)
5. What is reflection? ( 1 mark)

Question Four (20 marks)
1. Explain with a diagram a two Dimensional viewing transformation pipeline?
(6 marks)
2. What are the various logical devices used for inputting data? Explain
(6 marks)
3. Explain the following as used to project objects.
i. Parallel projection
ii. Perspective projection (4 marks)
4. Explain what you understand by the term frame buffer (2 marks)
5. what is a translation vector ( 2 mark)

Comp 414: Introduction To Computer Graphics Question Paper

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