M.C.A-M.C.A 3rd Sem computer graphics (Kerala University, Kerala-2011)

                                                 Third semester MCA degree examination May 2011

Subject : computer graphics

Time : 3 hour                                                                                               Max.mark: 100

 

Instructions:

a) Answer all questions from part A

b) Answer any two questions from each module of part B.

Part A (10 × 4 = 40 marks)

1. Define a pixel and a frame. 

2. What are world coordinates? 

3. How does a mouse work? 

4. Differentiate a graphic entity and a sub-picture.

5. What are concave and convex polygon? 

6. Explain the fundamental principle of circle drawing algorithm. 

7. Distinguish between a window and viewport.

8. Explain the cubic spline.

9. What is a display processor? 

10. Explain the use of blending function. 

Part B

Module I (6 × 10 = 60 marks)

11. What are the requirements and architecture of graphics hardware?

 12. Explain the Bresenham's algorithm for circle drawing. 

13. Describe in detail a vector refresh display system with a neat figure. 

Module II

14. Explain the method to develop an algorithm to get rotation of an object about a given line. 

15. Write a routine to clip an Ellipse against a rectangular window.

16. Describe the need of concatenation in transforms. Classify with suitable examples. 

Module III

17. Give an algorithm for hidden surface elimination and specification of 3 D viewing. 

18. What is transformation matrix for a 3D rotation with reference to a line of an object? 

19. Explain the important components of a multimedia system and their specificational parameters.

Earning:  ₹ 5.10/-