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# 2003 Centre for Development of Advanced Computing C DAC M C A MCA 108 Computer Graphics University Question paper

University Question Papers
2003 Centre for Development of Advanced Computing C DAC M C A MCA 108 Computer Graphics University Question paper
End-Term Examination
Second Semester [MCA] – MAY 2003

Paper Code: MCA-106 Subject: Computer System Architecture
Time: 3 Hours Maximum Marks: 60

Q. 1 (a) Explain in detail the Bresenham’s circle algorithm. 5
(b) Consider the line from (0, 0) to (-8, -4) in the third quadrant. Evaluate the
steps in the DDA algorithm. 5

Q. 2 (a) Derive the window to viewpoint transformation. 5
(b) Derive the transformation for parallel projection. 5

Q. 3 Determine the blending function for uniform, periodic B-spline curves for d=3,
n=3. 10

Q. 4 A point (10, 10) is to be reflected about a line, y= 2x in 2-D. Find out the coordinate
of the reflected point. 10

Q. 5 (a) Find out a composite matrix for scaling in 2D about an arbitrary point (X0,
Y0). The scaling parameters are Sx & Sy 5
(b) What is modeling? What are the approaches to achieve a model? 5

Q. 6 (a) Write Sutherland-Hodgman Polygon clipping algorithm. 7
(b)Explain the term transparency used in computer graphics. 3

Q. 7 Derive a composite matrix for reflection about the line y = x in 2-D. 10

Q. 8 Describe the working principle of LCD displays? What are there advantages over
CRT displays? What are their applications? 10

Q. 9 What do you understand by Projection? What are the various prospective
projection anomalies? 10

Q. 10 Explain the following terms :- 10
(a) GKS
(b) Structure of display file
(c) Raster scan
(d) Transformation
(e) Function set design.