LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034 B.Sc. DEGREE EXAMINATION –COMPUTER SCIENCE HC 13 FIFTH SEMESTER – APRIL 2007 CS 5400 - COMPUTER GRAPHICS Date & Time: 02/05/2007 / 1:00 - 4:00 Dept. No. PART A Answer all questions 10 x 2 = 20 marks) 1. What is a digitizer? 2. What are the graphic software standards used? 3. What are the basic attributes of a straight line? 4. Define transformation? 5. Define viewport? 6. Write notes on gravity field? 7. What is called surface rendering? 8. Define scaling? 9. What are the graphic applications? 10. What are the two operations performed in perspective transformations? PART B Answer all questions (5 x 8 = 40 marks) . 11. (a).What are hardcopy devices. Explain? or (b).Explain midpoint circle generation algorithm? 12. (a).Briefly explain two dimensional composite transformations? or (b).How to represent two dimensional matrix representation? 13. (a).Explain Sutherland Hodgeman polygon clipping? or (b).Explain windowing transformation? 14. (a).Give an account of three dimensional basic transformations? or (b).Explain reflection and shear in three dimensional drawings? 15. (a).Describe depth buffer method? or (b).Write notes on parallel projection transformations? PART C Answer any two questions ( 2 x 20 = 40 marks) 16. (a). Explain the function of cathode ray tube with neat diagram? (b).Explain line,color and character attributes of output primitives? 17. (a). Give the procedure of Cohen-Sutherland line clipping procedure? (b).Describe three dimensional display techniques? 18. (a). Explain the two types of projections used in 3D viewing? (b). Briefly explain the various interactive input devices? ************ Max. : 100 Marks