Following are the frequently asked questions in theory and viva of Different University Exams. 1. What is the various applications of computer graphics? 2. Explain about CAD. 3. List the advantages and disadvantages of DVST. 4. Write short notes on a. Persistence b. resolution c. Aspect ratio 5. Define pixel. 6. What is meant by frame buffer? 7. List the important characteristics of video display device. 8. What are the two basic techniques for producing color display with a CRT? 9. Give three difference between shadows mask & beam penetration method? 10. Explain about flat panel displays devices. 11. List the important characteristics of hardcopy devices. 12. Differentiate LCD & LEDs. 13. List the classification of the printers. 14. Comparison between line printers and dot matrix printers. 15. Explain the features of Inkjet printer. 16. Name the input devices. 17. Compare track ball and space ball 18. Define digitizers. 19. Explain about Joysticks. 20. List the advantages of the laser printer. 21. What are the different kinds of co-ordinate representation? 22. What is meant by Language binding? 23. Mention the two software standards? 24. Explain about PHIGS workstation. 25. Discuss the merits and demerits of DDA line drawing algorithm? 26. Explain the properties of an ellipse. 27. Explain the steps in DDA line drawing algorithm. 28. Name any two output primitives function. 29. Explain the steps in Bresenham's line drawing algorithm. 30. Define the term decision parameter. 31. Write the general program structure of PHIGS? 32. Define electrostatics device. 33. Explain about touch panel and light pen. 34. Define Bitmap and pixmap. 35. What is the difference between Raster scan and random scan? 36. Explain the working principle of CRT. 37. Explain about image processing. 38. Name any three output primitive function. 39. Give the function for displaying a filled polygon. 40. Mention the raster functions that are used in graphical packages.