Assignment 1 Computer Graphics

 

ASSIGNMENT-1 (Maximum Marks: 10) 1.  Explain how Bresenham’s algorithm takes advantage of the connectivity of pixels in drawing straight lines on a raster output device. Use suitable example. ex ample. 2.  What steps are required to scan-convert a sector using the trigonometric method? 3. List five five graphic soft soft copy devices for each one briefly explain? A. How it works. B. Its advantages and limitations. C. The circumstances when it would be more useful. 4. What do you mean by interactive computer Graphics? 5. What do you you mean by retracing? Define horizontal as well as vertical retracing. 6. Distinguish between the following: (a) Beam penetration method and Shadow masking method. (b) Emissive and Non-emissive displays. 7. Consider two raster raster systems with the resolutions resolutions of 640 x 480 and 1280 x 1024. 1024. (a) How many pixels could be accessed per second in each of these systems by a display controller that refreshes the screen at a rate of 60 frames per second? (b) What is the access time per pixel in each system? 8. Consider a raster raster system with the resolution resolution of 1024 x 768 pixels and the the color palette calls for 65,536 colors. What is the minimum amount of video RAM that the computer must ha have ve to support the above-mentioned resolution and number of colors? 9. Explain in detail about video display display devices with neat diagrams. 10. Explain the application of computer graphics in detail. Instructions for submission of report:

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The report should be prepared using MS-Word MS -Word 2007 or later. Solutions should be presented in the same order as the questions. Last date and time for submission of report is 12 th February, 2014, 12:00 noon. The report heading should contain the following: Roll-no., Name of Student. All submissions should be sent as attachment to XXXXXXXXXXX.Com. The subject line of the email should be in the following format:

“Roll-no_CG_Assignment“Roll -no_CG_Assignment-1”. 1”.    _______________________  ________________ _______________ _______________ _______________ ________________ _______________ _______________ ________________ _________ _