Jaypee Institute of Information Technology (JIIT) 2008 B.E Computer Science Test 1 : Computer Graphics and Applications - Question Paper

JAPEE UNIVERSITY OF INFORMATION TECHNOLOGY WAKNAGHAT B.Tch.(VI Semester) TEST-1 (FEBRUARY 2008)

COURSE CODE: 07B61CI301

COURSE NAME: COMPUTER GRAPHICS & APPLICATIONS    MAX.TIME: 01 Hr.

COURSE CREDITS; 4(3-l-0)    MAX.MARKS: 20

NOTE:-l. All questions are compulsory*.

2. If any assumption is made kindly mention it.

QK Explain why homogeneous coordinates are used for handling geometric transformations. [3] Q2. Give a matrix or product of matrices, which will transform the square ABCD to the Square A*BC*D\

FOR REFERENCE (k.

037 Consider three different raster systems with resolution of 640X480,1280X1024 and 2560X2048. What size frame buffer (in bytes) is needed for each of these systems to store 12 bits per pixel?

How much storage is required for each system if 24 bits per pixel are to be stored?    [3] Q4. Develop a Bresenhams line generation algorithm for slope in the range 0<m<l. What are the

advantages of Bresenhams line algorithm over DDA line algorithm?    [3]

5T Write a boundary fill algorithm to fill 8 connected region.    [2] Q6. Describe how clipping a line against a rectangular window (or view port) is done. Write Cohen

Sutherland line clipping algorithm    (3J

ppl' What is display processor? Differentiate between Random and Raster scan displays.    [2]