DISTANCE EDUCATION
M.Sc. Years Integrated) DEGREE EXAMINATION,
MAY 2016.
COMPUTER GRAPHICS AND MULTIMEDIA
Time Three hours Maximum 100 marks
SECTION A — 8 40 marks)
Answer any FIVE of the following.
1. Describe the architecture of Raster Graphics system.
2. How a picture in a window is napped onto viewport?
Explain.
3. Derive the perspective projection transformation matrix.
4. What do you mean by MPEG standard? Explain.
5. Give the most common features of audio editing software.
6. Explain how audio and video are used I multimedia.
7. Write note on animation techniques.
8. How is image data stored in multimedia database?
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. Write the midpoint circle drawing algorithm and explain
how it works with an example.
10. How is B-spline curve different from Bezier Curve?
What do you mean by rational B-spline? How is it
more useful than non-rational B-spline in drawing
curves?
Describe rendering pipeline in OpenGL...
Sub. Code
34
DE-3917
2
wk14
11. What do you mean by perspective projection? How
are vanishing points generated?
Write the transformation matrices for rotation
about origin in 3D.
Explain the Cyrus-Beck algorithm for clipping a line
with respect to a rectangular window.
12. Describe Phong shading model for rendering polygon
surface. How is it better than Gourad shading model?
How can you make Phong shading model fast?
13. What do you mean by authoring tool? Describe the
grouping of the authoring tools.
Define Hypermedia, Hypertext, Links, Anchors and
Nodes.
14. What are the main design issues for the multimedia
authoring system? Briefly explain each one of these
issues.
15. Explain where and why the magnetic storage is
used in multimedia system?
Describe the operation of scanner. What criteria
would you use for selecting scanner?
What are the main design issues for the multimedia
authoring system? Briefly explain each one of these
issues.