QUESTION ONE (20 MARKS)
a) Define computer graphics. (2 Marks) b) Discuss how raster scan systems works. (10 Marks) c) Outline the steps in the Bresenham’s line drawing algorithm and write C++ implementation. (10 Marks) d) What is OpenGL? (2 Marks) e) Outline the texture mapping process. (6 Marks)
QUESTION TWO (20 MARKS)
a) Outline the output primitive attributes. (12 Marks) b) Discuss how cathode ray tube works. (8 Marks)
QUESTION THREE (20 MARKS)
a) Discuss the different types of light reflection. (5 Marks) b) Demonstrate the midpoint circle algorithm by determining positions along the circle octant in the first quadrant from x = 0 to x = y and radius is 10. (15 Marks)
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