Anna University Chennai 2007 M.C.A Computer Graphics and Multimedia System - Question Paper

M.C.A DEGREE EXAMINATION,NOVEMBER/DECEMBER 2007
Third Semester
MC 1704-COMPUTER GRAPHICS AND MULTIMEDIA SYSTEM
(Regulation 2005)
Time:THREE HOURS Maximum:100 marks

ans ALL ques.
PART A-(10 x 2=20 marks)



1. elaborate the advantages and disadvantages of DDA
Algorithm?
2. Name two input and two output devices used for graphics.
3. What are calligraphic and raster display devices?
4. Define Bezier curves.
5. Define forward and backward rendering.
6. What is meant by morphing?
7. How audio files are stored in WAV format?
8. What are the minimum requirement needed for running multimedia
Application?
9. List four application of multimedia.
10. What is meant by streaming video?


PART B-(5 x 16=80 marks)
11. (a) (i) Compare and contrast DDA and Bresenham algorithm. (6)
(ii) discuss Sutherland line clipping algorithm with example. (10)

Or

(b) (i) explain circle drawing algorithm with example. (8)
(ii) explain about text clipping algorithm and how it is done. (8)

12. (a) (i) Write short notes on Bezier curves. (8)
(ii) explain about any four input devices used in graphics. (8)

Or

(b) For the subsequent image perform 2D transformation and draw
The image after every transformation.Rotate the image in the
4 quadrants by 90°. (16)




13. (a) Write short notes on:
(i) Any 2 color models. (2 x 4)
(ii) Ploygon rendering with example. (8)

Or
(b) define visible surface detection methods with example. (16)


14. (a) What is meant by authoring? define about text authoring tool. (16)


Or
(b) How are audio files stored? elaborate the formats that are available ?
How the audio files are converted to digital files? (16)



15. (a) (i) What is meant by virtual reality? List a few areas f application of
Virtual Reality. (8)
(ii) discuss the role of virtual reality in video conferencing. (8)


Or

(b) Discuss about the data storage and retrieval process for multimedia
Application. (16)

Earning:   Approval pending.