KRISTU JYOTI COLLEGE OF MANAGEMENT & TECHNOLOGY QUESTION BANK BCA SEMESTER III Computer graphics Part A (2 marks questions)

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1 KRISTU JYOTI COLLEGE OF MANAGEMENT & TECHNOLOGY QUESTION BANK 2018 BCA SEMESTER III Computer graphics Part A (2 marks questions) 1. What do mean by refreshing of a screen? 2. Define computer graphics 3. Define Random scan display. 4. Define raster scan display 5. What do mean by emissive display? 6. What do mean by non emissive display? 7. What do mean by scan conversion? 8. What do mean by soft copy and hard copy? 9. Define aspect ratio. 10. What do mean by impact printer. 11. What is persistence? 12. What is resolution? 13. List out the merits and demerits of Beam penetration techniques 14. List out the merits and demerits of DVST 15. List out the merits and demerits of plasma panel display 16. What is dot size? 17. What are the key features of inkjet printers? 18. What are the advantages of laser printer? 19. Expand GKS, PHIGS,DVST,CAD,DTP 20. What is the difference between impact and non impact printers? 21. Define pixel. 22. What is frame buffer? 23. What is bitmap and pixmap? 24. What is vector display or stroke writing or calligraphic display? 25. Where the video controller is used?

2 26. What is run length encoding? 27. Define circle. 28. Define polygon. 29. What do you mean by jaggies? 30. What is point in the computer graphic system? 31. What is type face? 32. What do you mean by font? 33. What is a bitmapped font? 34. What is an outline font? 35. Define serif type. 36. Define san serif type. 37. What is transformation? 38. What is translation? 39. What is rotation? 40. Define scaling 41. What is shearing? 42. Define reflection? 43. Distinguish between window port and view port? 44. Define clipping. 45. What is the need of homogenous coordinate? 46. List out the various text clipping. 47. What are the various representation schemes used in the 3D objects 48. What is polygon mesh? 49. Define octree. 50. Define quad tree. 51. Define voxel element. 52. What do you mean by parallel projection? 53. What do you mean by projection? 54. What is vanishing point. 55. Define computer graphics animation 56. Define frame.

3 57. What is pseudo animation? 58. Give some examples of computer graphics standards. 59. Define morphing. 60. Define volume element. Part B (5 marks questions) 1. Explain Plasma panel display. 2. Explain Raster scan system architecture. 3. Write notes on any two impact printers. 4. Explain Bresenhams line drawing algorithm 5. Explain Cohen Sutherland line clipping. 6. Explain 2Dviewing pipeline. 7. Write notes on any four interactive picture construction techniques. 8. Explain Constructive solid geometry. 9. Write notes on Quad tree. 10. Explain beam penetration method. 11. Explain composite transformation. 12. Write the difference between impact printer and non impact printer with an example. 13. Explain parallel projection and perspective projection. 14. Explain Sweep representation. 15. Explain Random scan system architecture. 16. Explain shadow mask display. 17. Explain any two input devices. 18. Explain interlacing. 19. Differentiate between random scan display and raster scan display. 20. Explain DDA line algorithm. 21. Explain Window-to-Viewport coordinate transformation.

4 22. Write notes on any four applications on computer graphics. 23. Write notes on octree. 24. Explain midpoint circle algorithm. 25. Explain composite transformation. 26. Explain software standards. 27. Explain homogenous coordinate representation. 28. Explain text clipping operations. 29. Write notes on Raster animations. 30. Explain morphing with example. 31. Explain the motion specifications of an object in an animation. 32. Explain three dimensional and stereoscopic views. 33. Explain CSG. 34. Explain LCD Display. 35. Digitize the line with end points (20,10) and (30,18) using bresenhams algorithm. Part C(15 marks questions) 1. Explain refresh CRT 2. Explain color CRT monitors? 3. Explain DVST and LCD display. 4. Explain the applications of computer graphics. 5. Explain input devices. 6. Explain Sutherland Hodgeman polygon clipping 7. Explain in detail about Bresenhams line drawing algorithm. 8. Explain about clipping operation. 9. Describe about interactive picture constructive technique 10. Explain polygon table Explain in detail about DDA scan conversion algorithm with an example. 12. Explain 2D transformation. 13. Explain 3D Display method. 14. Explain in detail about midpoint circle algorithm with an example 15. Describe about reflection and shearing.

5 16. Describe about basic transformation. 17. Explain design of animation sequences. 18. Describe about key frame system. 19. Explain the following: i). CSG ii). Sweep representation iii). Depth cueing vi). Parallel projection v). Visible line and Surface Identification 20. Explain 3D object representations. Prepared by: S.BINNY ASSISTANT PROFESSOR COMPUTER DEPARTEMENT KRISTU JYOTI COLLEGE OF MANAGEMENT & TECHNOLOGY

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