INFORMATION TECHNOLOGY HANDLED & PREPARED BY Dr. N.KRISHNARAJ,A.P(Sel.G) MS. R. THENMOZHI, AP (Sel.G)

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1 VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur DEPARTMENT OF INFORMATION TECHNOLOGY Academic Year: QUESTION BANK ODD SEMESTER NAME OF THE SUBJECT GRAPHICS AND MULTIMEDIA SUBJECT CODE IT6501 SEMESTER V th SEMESTER YEAR THIRD YEAR DEPARTMENT INFORMATION TECHNOLOGY HANDLED & PREPARED BY Dr. N.KRISHNARAJ,A.P(Sel.G) MS. R. THENMOZHI, AP (Sel.G) UNIT I 1 Classify the nature of line primitive in graphics 2 Outline viewing pipeline 3 What is composite transformation? 4 What is the equaltion of initial decision paprameter in Bresenham s line drawing algorithm? compare with DDA. 5 How do incremental methods of line drawing works? 6 What do you mean by clipping? 7 DDA algorithm to rasterize the line from (0,0) to (6,7) BTL 5 the effect of scaling factor S x = and Sy = on a given triangle 2 2 ABC whose co-ordinates are A=[4,1], B=[5,2],C=[4,3] 9 the use of error term in Bresenham s line drawing algorithm? 10 Is Sutherland cohen line clipping algorithm applicable to any type of BTL 5 window? 11 What would you understand the Octant symmetry of a circle? 12 Design transformation matrix for reflection with respect to the line y=x? Create BTL 6 13 Identify the use of digitizer? 14 Distinguish between window and viewport? 15 Define Aspect Ratio 16 Write about scan conversion? 17 Express in short about Shear transformation? 18 Create a line from (10,12) to (15,15) on a raster screen using bresenham s Create BTL 6 straight line algorithm. 19 How do you correct the shape of line ends for very thick and inclined lines? 20 Point out, how you will clip a point? Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 1 of 8

2 PART-B 1 (i) Explain midpoint circle algorithm in detail.(8) (ii) Discuss briefly about curve attributes.(8) 2 (i) Describe 2D geometric transformations (8) (ii) Write brief notes on clipping against rectangular boundaries.(8) 3 Compose the Bresenham s line drawing algorithm for lines with all possible Create BTL6 slopes. 4 (i)explain attributes of output primitives(6) (ii)define clipping. Write and explain Cohen-Sutherland line clipping algorithm.(10) 5 (i)mention any four graphics system in output primitives Explain in detail.(12) (ii)express on line attributes(4) 6 (i) Illustrate with example the available two dimensional geometric transformations(6) (ii) Describe about the Bresenham s ellipse drawing algorithm.(10) 7 (i) Using midpoint circle algorithm calculate the pixel that will be put ON for an origin centered circle of radius 4. (8) (ii) A Clipping window PQRS has left corner at (3,4) and upper right corner at (10,9). Find the section of the clipped line AB (2,11), (9,2) using Cohen Sutherland line clipping algorithm.(8) 8 (i) Scale a square ABCD A(0,0), B(3,0),C(3,3),D(0,3) three units in X direction and three units in Y direction.(8) (ii)how would you transform an object from one coordinate system to another coordinate system? (8) 9 (i) Explain in brief any of the popular line clipping procedures. (8) (ii) Write about text clipping techniques. (8) BTL5 BTL5 10 Use the midpoint method to derive decision parameters for generating points along a straight line path with slope in the range 0<m<1. Show that the midpoint decision parameters are the same as those in the Bresenham s line algorithm. 11 (i)explain Cohen-Sutherland line clipping with example.(8) (ii) Discuss in brief Antialiasing techniques (8) 12 (i)write down the steps involved in midpoint circle algorithm with an example (8) (ii) Show that two successive reflections about the coordinate axes is equivalent to a single rotation about the coordinate origin (8) 13 Explain Midpoint Ellipse algorithm in detail with an example 14 (i)explain two dimensional Translation and scaling with an example (8) (ii) Show a transformation matrix for rotating an object about a specified pivot point (8) Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 2 of 8

3 UNIT II 1 Express about polygon surface? 2 Define raster animation 3 What is Blobby object? 4 What do you infer by complementary colors and primary colors? 5 What is the effect of inverse transformations? 6 Compare orthographic and oblique parallel projections Synthesis BTL 5 7 Give the single point perspective projection transformation matrix when projectors are placed on Z-axis 8 Classify the common representation in solid modeling technique. 9 Differentiate: Parallel and perspective projections. 10 Express about morphing? 11 Show the 3D viewing pipeline 12 Define spline 13 What is surface rendering? 14 How do we identify the principal vanishing point? 15 Outline about color model? 16 Prepare the need for modeling transformations? BTL 6 17 Rewrite about Self-Affine fractals? BTL 6 18 Compare the advantage of B-spline over Bezier curve Synthesis BTL 5 19 How are fractals classified? 20 Point out, how Y,I,Q represent in YIQ color model? PART-B 1 (i) Describe how 3D curves are stored in computers. (8) (ii) Explain in detail about rotations in 3D space.(8) 2 (i) Discuss briefly about parallel projections. (ii) Write brief notes on color models. 3 (i)what are the properties of Bezier Curves? (ii)explain about Perspective Projection method 4 (i)explain the Depth-Buffer method for visible surface detection (ii)write notes on YIQ and HSV color models 5 Describe in detail on three dimensional transformations. 6 (i)compare and contrast between the RGB and CMY color models.(8) (ii)explain about animation (8) Synthesis BTL 5 7 (i)discuss on approximation spline characteristics, representation and properties.(8) (ii)derive the oblique projection matrix and apply it to find the transformation for cavalier projection with θ=45 o and cabinet projectionθ=30 o.(8) 8 (i)how will you construct deterministic self similar fractals? Explain.(8) Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 3 of 8

4 (ii) 3D geometric transformations to make the given tetrahedron ABCD rotate about the x-axis, making it erect with its bare ABC resting on the x-z plane. Next,magnify it four times about a fixed point P[1,1,2]= (8) 9 (i)describe about CIE color model. What are its advantages?(8) (ii)what do you understand by keyframe animation? Give example.(8) 10 (i)explain the properties of Beizer curve. How it differ from B-Spline? (8) (ii)define Animation. Explain in detail about the animation languages.(8) Synthesis BTL (i)describe briefly modeling and coordinate transformation in computer graphics.(8) (i)discuss about the properties of light.(8) Given the plane parameters A,B,C,D for all surfaces of an object, device and algorithm to determine whether any specified points is inside or outside the object. Show a procedure for rotating an object that is represented in an octree structure. (i) Show and discuss the HSV color model in detail.(8) (ii)how do you morphing animation technique? Discuss with an example.(8) BTL6 UNIT III 1 Write short notes on multimedia element. 2 What is meant by multimedia database? 3 What is a hypertext? 4 Show the basic building blocks of multimedia 5 Write about image annotation. 6 Rank the key issues for data organization in multimedia? BTL 5 7 What is task based multilevel networking? 8 Write down the features of Apple s quick time standard for compression. 9 Express in short about RDIB? 10 Compare the key points that make indexing of stored video clips different from home movies? 11 Point out basic objects of multimedia systems? 12 Show examples of Multimedia Data Interface Standards 13 Prepare the ways to perform image annotation? Create BTL 6 14 Show the data objects used in multimedia system? 15 Rearrange the issues analyzed in Multimedia Data Interface Standards? Create BTL 6 Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 4 of 8

5 16 Classify the methods of defining objects for multimedia systems. 17 Define orchestration 18 Assess the challenges in multimedia databases. BTL 5 19 Discuss few analog and digital video broadcast standards. 20 Relate the preferred database management systems for multimedia data. PART-B 1 (i)explain in detail about full motion digital video applications(8) (ii)explain multimedia system architecture (8) BTL 5 BTL 5 2 (i)illustrate briefly about multimedia data interface standards.(8) (ii)illustrate brief notes on multimedia storage and retrieval.(8) 3 (i)explain about the data types of Multimedia Systems(8) (ii)explain the different file formats used in Multimedia.(8) 4 (i)show how to define objects for multimedia system.(8) (ii)illustrate short notes on multimedia data interface standards.(8) 5 What are the evolving technologies for multimedia systems? Explain them. 6 Write briefly about multimedia databases. 7 Discuss the task based networking and their standards required to transfer multimedia data. 8 Discuss any four multimedia applications in detail. 9 (i)summarize the characteristics of multimedia DBMS.(8) (ii)how can you organize a database for multimedia applications.discuss the key issues involved in the same.(8) 10 (i)how multimedia databases are different from ordinary text based databases? Compare.(8) (ii)draw schematic diagram of multimedia systems architecture and write about the function of various components..(8) Create BTL 6 11 (i)describe in detail about multimedia database.(8) (ii)describe about hypermedia documents.(8) (i)define and discuss the term Multimedia Database (6) 12 (ii)develop a simple multimedia application that receives one of the Create BTL 6 biometrics of an employee and announces the status of matching with the records along with suitable displays.(10) 13 Describe the various aspects of querying the contents of video libraries with reference to video databases. 14 Write a detailed note on the predominant areas of multimedia applications. UNIT IV 1 Define lossy compression 2 Write short notes on MPEG-2 Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 5 of 8

6 3 Rearrange the types of file formats standards for data? Create BTL 6 4 Prepare the considerations in Multimedia storage? Create BTL 6 5 What is pack bits encoding? 6 What is TIFF file format? 7 Define entropy encoding 8 Classify the methods used to reduce rotational latency while retrieving huge multimedia objects. 9 Define quantization 10 Identify the factors governing the ADC process? 11 Point out Histogram for an image? 12 Give outline on lossless compression? Give example. 13 Show the types of chunks used in RIFF. 14 Write about disk spanning? 15 Conclude the role compression in multimedia. BTL 5 16 Show the components of full motion video models. 17 Express in short about high definition systems? 18 Give outline on speech synthesis? 19 Calculate the file size in 1MB for a 1 minute stereo recording of CD BTL 5 quality music at 44.1kHz sampling rate and 16 bit resolution. 20 What is palette animation? PART-B Q.N Question Competence Level o 1 (i)describe briefly about image compression schemes(8) (ii)explain in detail about TIFF implementation issues.(8) 2 (i)discuss briefly about multimedia I/O technologies.(8) (ii)explain briefly about types of voice recognition system.(8) 3 Explain about JPEG compression BTL 5 4 Describe in detail about RAID technology for storage in multimedia systems. 5 Develop TWAIN architecture with a neat diagram.mention the Create BTL 6 specification, objectives and benefits of TWAIN architecture. 6 Give a detailed summary of MIDI 7 (i)contrast TIFF fill structure and RIFF fill structure.(8) (ii)explain CCITT H.261 video coding algorithm.(8) 8 (i)show how scanners are used for image enhancements.(8) (ii)which storage device is used for storing archival media? Why? Explain.(8) 9 Illustrate briefly about WORM technology. How does a magneto optical technology differ from WORM technology? 10 (i)what are the types of compression available in multimedia? Explain any two types of compression technology.(12) (ii)describe about Digial audio in multimedia input and output techniques.(4) Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 6 of 8

7 11 12 (i)explain in detail about the rewritable optical disk technique.(8) (ii)relate the need for studying and contents of a file format used for Multimedia Systems.(8) Describe the design aspects for animating human movements with realism. 13 Discuss in detail about Digital Video Interactive (DVI) with suitable diagrams. 14 Explain in detail about various animation and special effects in 3 dimensions. UNIT V 1 What is meant by multimedia authoring system? 2 Define mobile messaging. 3 Classify the characteristics of Document store? 4 Define Hypermedia 5 Prepare the list of any four kinds of user interface development tools. Create BTL 6 6 Define video panning. 7 What are the functions of an object request broker in managing distributed multimedia objects? 8 Formulate the essential steps needed for designing a good hypermedia Create BTL 6 system. 9 Point out rubber banding? 10 What is VFW? 11 Give two examples of multimedia authoring systems. 12 Classify the components of a distributed multimedia application. 13 Give the standard types of multimedia object servers. 14 Express in short about Premixing? 15 Express the term Multimedia Authoring in short. 16 the needs for distributed multimedia systems. 17 Compare distributed system with multimedia system. BTL 5 18 the need for integrated document management. BTL 5 19 Compare the performances of high speed LAN s for multimedia data transfer. 20 Classify common navigation modes? PART-B 1 (i)explain the types of multimedia authoring systems.(8) (ii)describe the term Hypermedia and applications.(8) (i)what are the different kinds of user interface development tools? 2 Explain the design guidelines for a user interface.(8) (ii)explain about the Hypermedia Message Components.(8) Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 7 of 8

8 3 4 5 (i)discuss in brief about the components of a distributed multimedia system.(8) (ii)summarize the key issues of data organization for multimedia systems.(8) (i)what is editing features? Explain it briefly(8) (ii)explain Integrated multimedia message standards.(8) Explain the design issues for multimedia authoring and also explain its types. BTL 5 6 Develop the procedure to manage Distributed multimedia objects? Create BTL 6 7 List out the steps required for creating hypermedia messages and explain them briefly. 8 Illustrate about distributed multimedia systems. 9 (i)discuss in brief about hypermedia linking and embedding.(8) (ii)give n detail about transaction management for distributed multimedia database systems.(8) 10 (i)describe about the popular user interface design metaphors.(8) (ii)list out and define briefly about playback issues for image, audio and video objects.(8) 11 (i)describe time based and object oriented multimedia authoring tool.(8) (ii)describe Hypermedia messaging.(8) 12 (i)describe mobile messaging.(8) (ii)compare multimedia system and hypermedia system.(8) BTL 5 13 Show the features and facilities incorporated in any one of the integrated document management system. Write short notes on (i)voice over IP(4) 14 (ii)video on demand(4) (iii)interactive Television(4) (iv)movie on demand(4) Dr.N.Krishnaraj/Ms.R.Thenmozhi IT GMM Page 8 of 8

BHARATHIDASAN ENGINEERING COLLEGE,NATTRAMPALLI

BHARATHIDASAN ENGINEERING COLLEGE,NATTRAMPALLI-635 854. 2017-2018 ODD SEMESTER -INFORMATION TECHNOLOGY IT6501 - GRAPHICS AND MULTIMEDIA- QUESTION BANK UNIT-I OUTPUT PRIMITIVES 1. What do you mean by output