Bangalore University 2005 B.C.A Computer Application Computer Graphics - Question Paper

April/May 2005
Computer Graphics
time : three Hours
Max. Marks: 80
part - A
ans any 8 of the questions (8x3=24)
1. elaborate the character attributes?

2. discuss the functioning of a mouse.

3. discuss gravity field effect.

4. provide the concept of polygon tables.

5. elaborate the various kinds of all styles? discuss.

6. define the technique of dragging.

7. discuss translational sweep.

8. explain about 3 dimensional packages.

9. How color and intensity are represented? discuss.

10.Explain the functioning of a light pen.

part - B

Answer any 4 questions: (4x14=56)
11
a)With a neat diagram discuss the working of a shadow-mask CRT.
b) define plotters and their applications.

12.
a) discuss scan-line algorithm for area filling.
b) discuss various kinds of text clipping.

13.
a) Derive a matrix representation for translation, rotation and scaling for 2-dimentional transformation.
b) discuss pointing and selection techniques.

14.
a) What is multiple and menu selection? Explain with examples.
b) discuss the depth butter method for hidden surface removal.

15.
a) discuss the techniques of polling and interrupts in event handling.
b) elaborate polygon surfaces and polygon tables?Explain.

16.
Write a note on:
a) Bezier curves.
b) Octrees.

Earning:   Approval pending.