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Ics 2311:Computer Graphics Question Paper

Ics 2311:Computer Graphics

Course:Computer Science

Institution: Meru University Of Science And Technology question papers

Exam Year:2012

QUESTION ONE – 30 MARKS
a. Explain the following: (3 Marks) i. Computer graphics ii. Scan code iii. Refreshing of the screen b. Differentiate between random scan and raster scan displays. (2 Marks) c. Explain the merits and demerits of penetration techniques. (4 Marks) d. Explain the following: i. Initgraph ( ); ii. Delay ( ); e. Differentiate between emissive and non-emissive displays. (2 Marks) f. Explain the following terms: (4 Marks) i. Persistence ii. Resolution iii. Aspect ratio iv. Addressability
g. Differentiate between impact and non-impact printers. (2 Marks) h. Explain the following: i. Line ii. Circle iii. Ellipse iv. Polygon i. Explain the methods used for smoothly joining two line segments. (2 Marks) j. Define transformation and explain the following: (3 Marks) k. Explain various representation schemes used in three dimensional objects. (2 Marks)
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QUESTION TWO – 20 MARKS
a. Discuss DDA scan conversion algorithm. (5 Marks) b. Explain Bresenhams line drawing algorithm. (5 Marks) c. Explain midpoint circle algorithm. (5 Marks) d. Explain Sutherland Hodgeman polygon clipping. (5 Marks)
QUESTION THREE – 20 MARKS
a. Explain the following: i. Z-mouse ii. Joysticks iii. Touch panels iv. Image scanners v. Data glove b. Explain reflection and shear. (5 Mark) c. Explain general three dimensional rotations. (5 Marks)
QUESTION FOUR – 20 MARKS
a. Explain the three dimensional display methods. (5 Marks) b. Explain refresh cathode ray tube. (5 Marks) c. Explain color CRT monitors. (5 Marks) d. Explain direct view storage tubes and I liquid crystal displays. (5 Marks)
QUESTION FIVE – 20 MARKS
a. Explain the following: (10 Marks) i. Back face detection method ii. Depth buffer method
b. Explain the following: (10 Marks) i. Area subdivision ii. Buffer method

Ics 2311:Computer Graphics Question Paper

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