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Posted By: Chones prakash Member Level: Silver Posted Date: 18 Jun 2008
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2008 Bangalore University B.C.A Computer Graphics Question paper
Computer Graphics
Time : 3 Hours
Max. Marks : 80
[Instruction : Answer all the Sections.]
SECTION – A
Marks Alloted - 3 each(8x3=24)
Answer any eight of the questions.
1. Explain the working of a Cathode Ray Tube (CRT)
2. Distinguish between Raster scan and Random scan systems.
3. Explain the two types of printers with suitable example for each type.
4. Explain about the standards set for 3D graphics software.
5. Explain any three attributes that can be set fora line.
6. Explain about the role of inquiry functions.
7. What is a composite transformation ? Give one example.
8. What is a segment ? What is the advantage of segments.
9. What is meant by Rubber Band Method ?
10.Explain the concept of a window and a viewport.
SECTION – B
Marks Alloted - 14 each (4x14=56)
Answer any four questions.
11. a) Explain about the Digital Differential Algorithm for line drawing and comment on the shortcomings of the algorithm.(6 marks)
b) Explain the Bresenhem's circle drawing algorithm.(8 marks)
12. a) Explain the scan line algorithm for area filling.(8 marks)
b) Explain about the text attributes.(6 marks)
13. a) Explain the two dimensional transformations of translation, rotation and scaling.(8 marks)
b) Explain the steps involved in two dimensional viewing transformation.(6 marks)
14. a) Explain about the Cohen Sutherland line clipping algorithm.(8marks)
b) Explain the window to viewport transformation.(6 marks)
15 a) Explain the three dimensional transformations of rotation about any axis and give the representation in homogeneous co-ordinate system.(7 marks)
b) Explain about Bezier curves.(7 marks)
16 Write notes on :
a) Interactive Graphics Input Techniques.(7 marks)
b)Perspective Projection.(7 marks)
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