OXFORD ENGINEERING COLLEGE (NAAC Accredited with B Grade) DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING LIST OF QUESTIONS
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1 OXFORD ENGINEERING COLLEGE (NAAC Accredited with B Grade) DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING LIST OF QUESTIONS YEAR/SEM.: III/V STAFF NAME: T.ELANGOVAN SUBJECT NAME: Computer Graphics SUB. CODE: CS 6504 UNIT I 1.Define computer graphics. 2.What is Data set? (Nov/Dec 2015) 3.List any two applications of computer graphics. 4.What is screen grid co-ordinates? 5.List out the techniques used for producing color display in CRT. 6.List few input devices. 7.What is an output primitive? (May/June 2016) 8.What is flood fill algorithm? 9.What is scan line algorithm? 10.List out the methods used for smoothly joining two line segments. 11.Define line primitive. 12.What is DDA algorithm? (Nov/Dec 2015) 13.What is Bresenham s line algorithm? 14.List out the attributes of output primitives. 15.What is a CRT? 16.Give the discussion parameter for Bresenham s line algorithm at k and k What is loading frame buffer? 18.What are properties of circle? 19.Define CAD. (May/June 2016) 20.List out the types of visualization. 21.What is Raster scan display? 22.What is shadow mask method? 23.What is data glove? 24.List out the two types of graphics software. 25.List out the representatives uses of computer graphics. 1. Explain Raster scan systems and Random Scan Systems? 2. Explain in detail about the Line drawing DDA scan conversion algorithm? (May/June 2016) 3. Explain Ellipse generating Algorithm? (Nov/Dec 2015) 4. Explain Boundary Fill Algorithm? (May/June 2016) 5. Write down and explain the midpoint circle drawing algorithm. (Nov/Dec 2015) 6. Calculate the pixel location approximating the first octant of a circle having centre at (4,5) and radius 4 units using Bresenham s algorithm.
2 UNIT II FIRST HALF 1.What is transformation? (Nov/Dec 2015) 2.What is translation? 3.What is rotation? 4.What is scaling? (May/June 2016) 5.What are the three basic elements of viewing? 6.Define clipping. 7.Define text clipping. 8.List out the various text clipping techniques. 9.What is covering or exterior clipping? 10.Give the expression in matrix form for basic transformation. 11.What is composite transformation? 12.Give the equation for two successive rotation applied to point P for rotation. 13.Give the sequence of operations for translate-rotate-translate. 1.Explain in detail about basic transformations.(nov/dec 2015) 2. Explain in detail the homogenuous coordinates. (May/June 2016) 3. Explain in detail about composite transformations. (May/June 2016) SECOND HALF 1.Compare window and viewport. 2.List the different types of viewing effects. 3.What is clipping? 4.Define clipwindow. (Nov/Dec 2015) 5.Give the types of clipping. 6.List the types of line clipping. 7.What is Line clipping? (May/June 2016) 8.What is polygon clipping? 9.What is Sutherland-Hodgeman polygon clipping? 10.List the types of clipping algorithm. 11.Define scaling. 12.Write down the transformation matrix for scaling. 1.Explain clipping operations.nov/dec 2015) 2. Explain in detail the cohen Sutherland line clipping algorithm. (May/June 2016) 3. Explain Sutherland hodgman polygon clipping algorithm. (May/June 2016)
3 UNIT III 1.What is called projection? 2.Define parallel projection. 3.List the applications of parallel projections. 4.What is perspective projection? (Nov/Dec 2015) 5.Define depth cueing. 6.What is exploded and cutaway views? (May/June 2016) 7.List the types of 3D representations schemes. 8.What is boundary representations?(nov/dec 2015) 9.What is space partitioning? 10.specify the consistency checks of the geometric data table. 11.Define triangle strip. 12.What is Quadrilateral mesh? 13.What is zero order Geometric continuity? 14. What is First order Geometric continuity? 15. What is Second order Geometric continuity? 16.Tell the methods to specify the spline. (May/June 2016) 17.List some of the Basic 3D geometric transformations. 18.Define properties of Bezier curve. 19.List the advantages of B spline curve over Bezier alpines. 20.Give the general form of B-Spline curves. 21.Define cox-deboor recursion formulas. 22.What are the classifications for knot vectors? 23.What is Bezier curves? 24.What is torus? 25.Define splines. 1. With suitable examples explain all 3D viewing methods. (Nov/Dec 2015) 2. Explain about 3D object representation. (May/June 2016) 3. Write short notes on Bezier curve and spline. (Nov/Dec 2015) 4. Write short notes on the following visible surface detection methods (i)back face detection(ii)depth Buffer method 5. Explain three dimensional viewing. (May/June 2016) 6. Write short notes on the following hidden surface elimination methods (i)scan line Method (ii) Painter s algorithm (iii) BSP-tree method (iv) Area subdivision method
4 UNIT IV 1.What is 3D transformations? 2.Give the transformations Equation for 3D translation. 3.Give the matrix form for 3D translation. 4.Give the transformation equation for 3D z axis rotation. (May/June 2016) 5.Give the matrix form for 3D z axis rotation. 6.Give the transformation Equation for 3D x axis rotation. 7.Give the matrix form for 3D x axis rotation. (Nov/Dec 2015) 8.Give the transformation Equation for 3D y axis rotation. 9.Give the matrix form for 3D y axis rotation. 10.Give the transformation Equation for 3D scaling. 11.Give the matrix form for 3D scaling. 12.Specify the camera parameter in viewing pipeline. 13.List the processing steps involved in 3D viewing pipeline. 14.Define vanishing point. (Nov/Dec 2015) 15.What is principal vanishing point? 16.List the types of principal vanishing point. 17.Mention the buffers needed in depth-buffer method. 18.Mention the stopping conditions applied in area subdivision method. 19.What is Ray casting? 20.What is pixel patterns? 21.List some properties of light. (May/June 2016) 22.Define brightness. 23.What are primary colors? 24.Define Tone. 25.What is Intensity? 1. Explain about various color models. (Nov/Dec 2015) 2. Explain in detail the CMY color model. (May/June 2016) 3. What is illumination? What are the various types of illumination? (Nov/Dec 2015) 4. Explain in detail about the properties of light and draw chromaticity diagram. 5. Explain in detail Gouraud shading. (May/June 2016) 6. Write notes on halftone patterns and dithering techniques.
5 UNIT V 1.Define Illumination model. 2.Give the parameters used in illumination model. 3.What is surface rendering? (Nov/Dec 2015) 4.What are light sources? 5.What is reflecting surfaces? 6.List the types of illumination. 7.What is point source?(may/june 2016) 8.What is Distributed light source? 9.What is Diffuse reflection. 10.What is specular reflection? (Nov/Dec 2015) 11.What is Lamberts cosine law? 12.Give the vector representations of Diffuse reflection equation. 13. What is total diffuse reflection? 14.State the Phong model. 15.What is color model? 16.How to convert from RGB to YIQ. 17.How to make conversion from YIQ to RGB. (May/June 2016) 18.How to convert from RGB to CMY. 19.Give the matrix conversion from CMY to RGB. 20.What is computer animation? 21.What is fractal? 22.Mention the types of Fractals. 23.What is L-Systems? 24.What is meant by turtle graphics? 25.Define Ray tracing. 1. What is Animation? What are the various animation techniques? (Nov/Dec 2015) 2. What is Morphing?Explain in detail about morphing with an example. 3. What is Koch curves?explain in detail. (May/June 2016) 4. What is Fractal?Explain in detail the various fractal. 5. Write in detail about Peano curves. (May/June 2016) 6. What is C-curves? Explain in detail. (Nov/Dec 2015)
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