Bharathiar University 2007 B.Sc Computer Science Computer Graphics- - Question Paper

Computer Graphics


part – A
Marks Alloted - three each(8x3=24)
ans any 8 of the ques..
1. discuss the working of a Cathode Ray Tube (CRT)
2. Distinguish ranging from Raster scan and Random scan systems.
3. discuss the 2 kinds of printers with suitable example for every kind.
4. discuss about the standards set for 3D graphics software.
5. discuss any 3 attributes that can be set fora line.
6. discuss about the role of inquiry functions.
7. What is a composite transformation ? provide 1 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.

part – B
Marks Alloted - 14 every (4x14=56)
ans any 4 ques..
11. a) discuss about the Digital Differential Algorithm for line drawing and comment on the shortcomings of the algorithm.(6 marks)
b) discuss the Bresenhem's circle drawing algorithm.(8 marks)
12. a) discuss the scan line algorithm for area filling.(8 marks)
b) discuss about the text attributes.(6 marks)
13. a) discuss the 2 dimensional transformations of translation, rotation and scaling.(8 marks)
b) discuss the steps involved in 2 dimensional viewing transformation.(6 marks)
14. a) discuss about the Cohen Sutherland line clipping algorithm.(8marks)
b) discuss the window to viewport transformation.(6 marks)
15 a) discuss the 3 dimensional transformations of rotation about any axis and provide the representation in homogeneous co-ordinate system.(7 marks)
b) discuss about Bezier curves.(7 marks)
16 Write notes on :
a) Interactive Graphics Input Techniques.(7 marks)
b)Perspective Projection.(7 marks)

Earning:   Approval pending.