Thursday, October 15, 2009
| CS 1354 – GRAPHICS AND MULTIMEDIA |
| PART A – (10 X 2 = 20 marks) |
| 1. What is aspect ratio? |
| 2. Give the 2D transformation matrix for rotation. |
| 3. List any two viewing parameters of a 3D object. |
| 4. Define the term complementary colors. |
| 5. List the applications of multimedia in mobile units. |
| 6. What are the components of a multimedia data representation? |
| 7. List any four image file formats used in multimedia. |
| 8. Determine the bandwidth of the audio CD with 44.1 kHz sampling rate and 16 bit |
| quantization. |
| 9. What is HTTP and HTML? |
| 10. List any four sources of audio delay introduced in multimedia conferencing systems. |
| PART B – (5 X 16 = 80 marks) |
| 11. (a) (i) Explain DDA line drawing algorithm. (8) |
| (ii)Explain the steps in midpoint ellipse drawing algorithm. (8) |
| (Or) |
| (b) What is polygon clipping? Explain Sutherland-Hodgman algorithm for polygon clipping. |
| (16)12. (a) Derive the 3D transformation matrix for rotation about |
| (i) an arbitrary axis |
| (ii) an arbitrary plane. (8+8) |
| (Or) |
| (b) Explain RGB, CMY, YIQ and YUV color models. (4x4) |
| 13. (a) (i) What is multimedia? Explain the properties of multimedia systems. (8) |
| (ii) Explain the data stream characteristics for continuous media. (8) |
| (Or) |
| (b) Explain the different file formats used in multimedia. (16) |
| 14. (a) Explain the Audio-Visual Integration strategies in multimedia systems. (16) |
| (Or) |
| (b) Explain how a video data is stored and retrieved. (16) |
| 15. (a) Explain the multimedia authoring and user interface tools commonly used. (16) |
| (b) Explain the major featuristic functions of distributed multimedia systems. (16) |