Computer Graphics and Multimedia Systems

MCA DEGREE EXAMINATION, NOV / DEC 2009

Third Semester

MC 1704 – Computer Graphics and Multimedia Systems

(Regulation 2005)

Time : 3 hours    Maximam Marks:100

PART A (10 x 2 = 20 MARKS )

What are the components of Computer Graphics Explain rendering

Define Rasterization.

How can a set of transformations converted from a window area into a viewport area?

State any two properties of Beizer Curves?

What is a frame? State the purpose of frames.

What are the two types of projection? State their differences.

Distinguish Graphics with Animation?

How are the authoring tools classified? What are they?

State the elements related to Interactivity

What does Lip Synchronization refer to?

PART B (5 x 16 = 80 MARKS )

11(a) (i) State and explain any four of the applications in Graphics

(ii) What are the different representations ford drawing lines and curves

OR

(b) (i) What is Antialising? How is it overcome using Bresenham’s technique?

(ii) Briefly explain world coordinates and View port

(a) Write short notes on :

(i) Polygons (ii) Splines

OR

(b) What is transformation? What is the need for transformation? Elaborate on the two dimension transformations of Scaling and Rotations with its matrix representations.

13. (a) Explain in detail the following colory models _ RGB, YIQ, CMY and HSV models. Briefly explain the CE Chromaticity Diagram .

OR

(b) (i) Illustrate with examples the Gouraud shading and Phong shading.

(ii) What are the functionalities of Morphing State its uses

14. (a) (i) Explain the different forms of representation used in Audio, Video and Images and give their respective formats with neat sketches wherever possible?

(ii) What is MIDI? How does the two Hardware and data form components provide MIDI Interface.

OR

((b) (i) State and explain the different techniques employed in the animation control mechanism

(ii) What are the approaches used for the transmission of animation over computer networks? Explain.

15. (a) Describe the various factors and functionalities of transport subsystem used in Multimedia transmissions

OR

(b (i) How does Virtual Reality used to describe user interface ranging from physical environments to ordinary graphics

(ii) With a neat diagram representing the elements of Video on Demand System, explain the services offered by VOD.