# 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.