# Centre for Development of Advanced Computing(C-DAC) 2003 M.C.A -108 Computer Graphics - Question Paper

Saturday, 02 February 2013 01:20Web

End-Term exam

Second Semester [MCA] â€“ MAY 2003

Paper Code: MCA-106 Subject: Computer System Architecture

**Time:**three Hours

**Maximum Marks**: 60

**Q.**one

**(**discuss in detail the Bresenhamâ€™s circle algorithm. 5

**a)****(**Consider the line from (0, 0) to (-8, -

**b)****4)**in the 3rd quadrant. Evaluate the

steps in the DDA algorithm. 5

**Q.**two

**(**Derive the window to viewpoint transformation. 5

**a)****(**Derive the transformation for parallel projection. 5

**b)****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

**(**obtain out a composite matrix for scaling in 2D about an arbitrary point (X0,

**a)**Y0). The scaling parameters are Sx & Sy 5

**(**What is modeling? elaborate the approaches to achieve a model? 5

**b)****Q.**six

**(**Write Sutherland-Hodgman Polygon clipping algorithm. 7

**a)**(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

**(**GKS

**a)****(**Structure of display file

**b)****(**Raster scan

**c)****(**Transformation

**d)****(**Function set design.

**e)**Earning: Approval pending. |