Short Questions
Digitize a line with end points (20, 10) and (30, 18). Using the Brute force algorithm to digitize a line with end points (20, 10) and (26, 14). Write pseudo code for applying the algorithm For the brute force line drawing algorithm: Describe what is performed by the following functions: How can an application program actually draw something on screen? Suppose an RGB raster system is to be designed using an 8-inch by 10-inch screen with a resolution of 100 pixels per inch in each direction. If we want to store 6 bits per pixel in the frame buffer, how much storage bytes do we need for the frame buffer? How long would it take to load a 640-by-480 frame buffer with 12 bits per pixel, if 105 bits can be transferred per second? How long would it take to load a 24-bit-per- pixel frame buffer with a resolution of 1280 by 1024 using this same transfer rate? Suppose we have a video monitor with a display area with 12 inches width and 9.6 inches high. If the resolution is 1280 X 1024 and the aspect ratio is 1, what are the width and the height of each point on the screen? How much time is spent in scanning across each row of pixels during screen refresh on a raster system with a resolution of 1280 by 1024 and refresh rate of 60 frames per second? How long does it take to load a 640-by-480 frame buffer with 12 bits per pixel, if 105 bits can be transferred per second? Consider three different raster systems with resolutions of 640 by 480, 1280 by 1024, and 2560 by 2048. 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?
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