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Posted By: Bala Member Level: Diamond Posted Date: 18 Dec 2007
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2004 Centre for Development of Advanced Computing(C-DAC) M.C.A MCA-108 Computer Graphics University Question paper
End-Term Examination
Second Semester [MCA] – DEC 2004
Paper Code: MCA-106 Subject: Computer System Architecture
Time: 3 Hours Maximum Marks: 60
Q. 1 (a) Explain Bresenham’s line drawing algorithm. Give the advantages of this
algorithm over DDA algorithm. 7
(b) Compute the intermediate prints on the line drawn from (0,0) to (5, 10) using
Bresenham’s algorithm. 5
Q. 2 (a) Explain Cyrus-Beck parameter line clipping algorithm. 6
(b) Compute coordinate of points of circle drawn with centre at (0,0) and radius 6,
using mid point circle algorithm. 6
Q. 3 (a) Define window to viewport transformation. 6
(b) Compute 2D transformation matrix for rotating a point (12, 6) about the point
(3, 2) by an angle 300 in clockwise direction. 6
Q. 4 (a) Explain YIQ color model. How it can be obtained from RGB model? and why
is it used in commercial color television broadcasting?
(b) Explain the design and working of a color shadow marks CRT. 6
Q. 5 (a) Give the comparison of Gourands Phoring Shading Techniques. 6
(b) Explain 2 buffer algorithm per hidden surface removal. 6
Q. 6 (a) Write a program to display parametric cubic curves using forward differences
and recursive sub division. 6
(b) Explain principle of working of Roster Scan display system. 6
Q. 7 (a) Explain Multipass Transformation and its application in image processing. 7
(b) What is image filtering? Why is it required? 5
Q. 8 Write notes on any two :-
(a) Solid modeling (b) Volume Rendering (c) Fractul models. 12
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