Centre for Development of Advanced Computing%28C-DAC%29 2003 M.C.A -108 Computer Graphics - Question Paper

End-Term exam
Second Semester [MCA] – MAY 2003

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

Q. one (a) discuss in detail the Bresenham’s circle algorithm. 5
(b) Consider the line from (0, 0) to (-8, -4) in the 3rd quadrant. Evaluate the
steps in the DDA algorithm. 5

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

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

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

Q. five (a) obtain 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? elaborate the approaches to achieve a model? 5

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

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

Q. eight define the working principle of LCD displays? elaborate there advantages over
CRT displays? elaborate their applications? 10

Q. nine What do you understand by Projection? elaborate the different prospective
projection anomalies? 10

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

Earning:   Approval pending.