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Posted By: Chones prakash Member Level: Silver Posted Date: 04 Jul 2008
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2006 Bangalore University B.C.A Computer Graphics Question paper
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IV Sem B.C.A
May/June 2006
Computer Graphics
Time : 3 Hours
Max. Marks: 80
SECTION - A
Answer any eight of the questions (8x3=24)
1. How do the Raster-scan monitors function.
2. Describe the different criteria required to generate a straight line.
3. Explain any three text attributes.
4. Explain shear transformation.
5. Describe the different types of text clipping.
6. Explain any three segment attributes.
7. Explain keyboard as an input device.
8. Explain the concept of multiple selection.
9. Describe the order of continuity with respect to curves.
10. What are the characteristics of hidden surface or hidden line elimination?
SECTION - B
Answer any four questions: (4x14=56)
11.
a) Explain the working of CRT with suitable illustration.
b) Describe plotters and their applications.
12.
a) Explain Bresenham's circle algorithm with an example.
b) How are colour and grayscale levels displayed? Explain.
13.
a) Derive a matrix representation for translation, scaling and rotation for 2-dimentional transformation.
b) Explain Sutherland and Hodgman algorithm for polygon clipping.
14.
a) Explain pointing and selection techniques
b) Explain the techniques of polling and interrupts in event handling.
15.
a) What are the polygon surfaces and polygon tables? Explain.
b) Explain the Depth Buffer Method for hidden surface removal.
16.Write short notes on:
a) Octress
b) Rubber Band Method
c) Perspective Projection.
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