GRAPHICS and MULTIMEDIA Year : IV Sem: VII

DHANALAKSHMI SRINIVASAN ENGINEERING COLLEGE PERAMBALUR

DEPARTMENT OF INFORMATION TECHNOLOGY

SUB. CODE:CS1354 SUB.NAME: GRAPHICS AND MULTIMEDIA Year : IV Sem: VII

QUESTION BANK

PART - A

UNIT I

1. What is the purpose of presentation graphics? 2. Define refresh buffer/frame buffer. 3. Write any five input devices. 4. What is pixel? 5. Define aspect ratio. 6. What is Output Primitive? 7. Explain the functionalities of light pen 8. What is the use of Data Glove? 9. In which field Trackball and Joystick are widely used? 10. Write short notes on image scanners. 11. Write any four output devices. 12. What are the types of printer? 13. What is DDA? 14. What are the disadvantages of DDA algorithm? 15. What is attribute parameter? 16. What are the basic line attributes? 17. What is meant by aliasing? 18. What are the operations involved in a 2D Transformation? 19. Define Translation. 20. Define Rotation. 21. Define Scaling. 22. Define Reflection. 23. Define Shear. 24. Define Window. 25. Define view port. 26. What is viewing transformation? 27. Define Clipping. 28. What are the types of Clipping? 29. What is the difference between Window and View port? 30. Define clip window. 31. Explain about curve clipping. 32. What is the difference between text clipping and character clipping?

UNIT II 1. Categorize the 3D representations? 2. What Boundary representation? 3. What space-partitioning representation? 4. What is Blobby Object? 5. What is projection? 6. What are the types of projection? 7. What is parallel projection? 8. What is Perspective projection? 9. Explain about depth cueing. 10. What is surface rendering? 11. What are the categories of 2D object representation? 12. Write short notes on polygon meshes. 13. What are the types of quadric surfaces? 14. Define Spline. 15. Write any 2 properties of Bezier Curves 16. Define 3D Translation. 17. What is Composite Transformation? 18. What is chromaticity? 19. Define Color model. 20. What are the uses of chromaticity diagram? 21. Give the transformation matrix for conversion of RGB to YIQ. 22. What is HSV model? 23. What for CMY color model used? 24. What are the parameters in the HLS color model? 25. What is color Gamut? 26. Differentiate Shades, Tints and Tones. 27. Explain Kinematics. 28. Define Dynamics. 29. Define Computer animation. 30. What are the steps in animation sequence? 31. How frame-by-frame animation works? 32. What is morphing? 33. What are the methods of motion specifications?

UNIT III

1. Describe about GIS. 2. Write any two applications of multimedia. 3. Give some Multimedia applications. 4. What are the multimedia elements? 5. What is Holography? 6. What is hologram? 7. What are the important processes in image processing? 8. What are complex image enhancement capabilities? 9. What is VGA mixing? 10. Define Document Imaging. 11. What is the basic hardware devices needed for multimedia? 12. What is the software components needed to make multimedia effect? 13. How multimedia is used in Image Processing? 14. Write any 3 image animation packages. 15. What is image annotation? 16. What is Dual-buffered VGA mixing / scaling? 17. What is hypermedia documents? 18. What are the sub-systems in DSP? 19. What are the types of images based on multimedia? 20. What does non-visible images refer? 21. What are abstract images? 22. What is DVI? 23. What is MIDI? 24. What is Apple's Quick time? 25. What is JPEG? 26. How multimedia is used in Electronic messaging? 27. What is the use of audio and video indexing? 28. Draw the diagram for multimedia architecture. 29. Define ATM. 30. What is Hyper text? 31. Define HDTV and UDTV. 32. What is called Asymmetrical compression based on Compression? 33. What are the considerations in Multimedia storage? 34. What are the strengths of object oriented s/w?

UNIT IV

1. What is compression? 2. Define Run-length encoding. 3. What are the layers used in TWAIN architecture? 4. What are the characteristics of voice recognition systems? 5. Define Cadence. 6. Say some loss less compression standards? 7. Say some lossy compression standards? 8. What are the advantages of CCITT Group 3 1D? 9. What is the disadvantage of CCITT Group 3 2D Scheme? 10. What is Luminance? 11. What are the levels of definition in JPEG standards? 12. Define Quantization. 13. What are the controls in VCR paradigm? 14. What are types of moving picture? 15. What are the factors that affect video performance? 16. What is fractal? 17. What are multimedia file formats? 18. What is digital pen? 19. What are the components of PEN? 20. What are the display performance issues? 21. What is roping? 22. Write the four basic technologies used for flat panel displays. 23. Define JPEG. 24. What are the components of JPEG? 25. What is quantization? 26. What are the levels of profiles used in MPEG standard? 27. Define Vector quantization. 28. Write short notes on audio compression. 29. Define TIFF. 30. What is the use of Tag in a file format? 31. List out the 3 types of chunks used in RIFF. 32. Explain about MIDI file format. 33. What are the components of Laser printer? 34. What are the main characteristics of voice recognition system?

UNIT V

1. Define authoring system. 2. Write short notes on Telephone authoring systems. 3. What is premixing? 4. What are the user interface development tools? 5. Write down the 3 navigation modes. 6. What are the 4 metaphors used for multimedia applications? 7. Specify the features of video playback. 8. What are the design issues for multimedia authoring? 9. What are the types of Multimedia authoring Systems? 10. Classify the User interface development tools? 11. What is the purpose of zooming? 12. What is panning? 13. What is hypermedia? 14. What are the steps needed for Hypermedia report generation? 15. Define mail message. 16. What are the components of a distributed Multimedia system? 17. What are the characteristics of Document store? 18. What are key issues in data organization for multimedia systems? 19. What are the key elements in object server architecture of multimedia applications? 20. What are the functions performed by object request broker? 21. What are the issues in database replication techniques? 22. What are the types of database replication? 23. What are the primary n/w topologies used for multimedia? 24. Give the primary goal of MAPI. 25. What is the purpose of MIME? 26. Write short notes on RAID. 27. What are the levels of RAID? 28. What is the difference between linking and embedding? 29. What are the characteristics of image and still video stores ? 30. What are the services provided by a directory service agent? 31. What are the services provided by User Interface Agent?

PART - B

UNIT I

1. Explain DDA algorithm for line. 2. Explain Bresenham's algorithm for line. 3. Explain the basic concept of Midpoint ellipse algorithm. Derive the decision parameters for the algorithm and write down the algorithm steps. 4. Explain two dimensional Translation and Scaling with an example. 5. Explain Attributes of Output primitives. 6. What is polygon clipping? Explain Sutherland-Hodgeman algorithm for polygon clipping. 7. Explain 2D Transformations. 8. Explain 2D viewing.

UNIT II

1. Explain various 3D object representations. 2. Explain 3D Transformations. 3. Explain 3D viewing. 4. Explain RGB, CMY, YIQ and YUV color models. 5. Draw the CIE chromaticity diagram and explain. 6. Explain computer animation.

UNIT III

1. Give the multimedia applications and explain. 2. What are the multimedia elements? Explain. 3. Explain about Multimedia databases. 4. Explain about defining objects for multimedia system. 5. Explain about Multimedia data interface standards? 6. Explain 3-D Technology and Holography. 7. (i) Explain hypermedia and its functions. (ii) Short notes on Multimedia databases.

UNIT IV

1. Give in detail Huffman encoding. 2. Explain fractal compression. 3. Explain data and file format standards. 4. Explain about Digital pen. 5. Explain about cache management for storage systems. 6. Explain Color, Gray Scale and Still Video Image Compression method. 7. Explain data and file format standards. 8. Explain multimedia input and output Technologies. 9. Uses of magnetic Storage in Multimedia Systems.

UNIT V 1. Explain hypermedia messaging. 2. Explain the components of distributed multimedia systems. 3. Give the multiserver n/w topologies. 4. Explain Distributed Client-server operation. 5. How to manage Distributed objects. 6. Write short notes on following. Mobile messaging. Document management. 7. Explain Distributed multimedia systems. 8. Explain multimedia Authoring and User Interface design.