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How does the display processor function in Raster-scan system?
Wiki User
∙ 13y ago
Raster-scan Display Processor :- One way to set up the orangyation of a raster system containing a separate display processor,sometimes referred to as a graphics controller or a display coprocessor.the purpose of the displays processor is to free the CPU from the graphics chores. In addition to the system memory, a separate display-processor memory area can also be provided.
A major task of the display processor is digitizing a picture definition given in an application program into a set of pixel-intensity values for storage in the frame buffer. This digitization process is called scan conversion.
Display processors are also designed to perform a number of additional operations. These functions include generating various line styles, displaying color areas, and performing certain transformations and manipulations on displayed objects. Also, display processors are typically designed to interface with interactive input devices, such as a mouse.
Wiki User
∙ 13y ago
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