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Statements

Subject Item
dbr:Windows_accelerator
rdfs:label
Windows accelerator
rdfs:comment
A Windows accelerator was a type of Graphics processing unit for personal computers with additional acceleration features like 2D line-drawings, blitter, clipping, font caching, hardware cursor support, color expansion, linear addressing, and pattern, polygon and area fills. The functionality marketed for accelerating the Microsoft Windows operating system. These have been superseded by multipurpose GPUs which include acceleration for 3D graphics. To make use of these accelerator or coprocessor based video cards, a Windows Graphic driver for the specific video chipset was necessary.
dcterms:subject
dbc:Graphics_processing_units
dbo:wikiPageID
11670530
dbo:wikiPageRevisionID
1056117717
dbo:wikiPageWikiLink
dbc:Graphics_processing_units dbr:Graphics_processing_unit dbr:Windows_3.1 dbr:Central_processing_unit dbr:2D_computer_graphics dbr:Clipping_(computer_graphics) dbr:Graphics_card dbr:Microsoft_Windows dbr:3D_graphics dbr:Personal_computers dbr:Blitter dbr:Operating_system dbr:Linear_addressing dbr:Hardware_acceleration dbr:Local_bus dbr:GPU dbr:Data_stream dbr:SVGA dbr:TMS34010
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n12:2qXSN wikidata:Q30587756
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dbo:abstract
A Windows accelerator was a type of Graphics processing unit for personal computers with additional acceleration features like 2D line-drawings, blitter, clipping, font caching, hardware cursor support, color expansion, linear addressing, and pattern, polygon and area fills. The functionality marketed for accelerating the Microsoft Windows operating system. These have been superseded by multipurpose GPUs which include acceleration for 3D graphics. Most of the Windows accelerator video cards were 2D capable fixed function accelerators that got 2D drawing commands and pixel data sent from the CPU and the fixed function run the given command which resulted in a faster drawing of the window. The lessened burden on the CPU, combined with the smaller data stream needed for the required instructions, resulted in improved performance compared to dumb frame-buffer only based video-cards. In the high-end professional area a price of several thousands of dollars, there were also coprocessor based video chipsets like the Texas Instrument TMS34020 available that had their own processor which allowed to offload some of the processing data from the CPU to the coprocessor the videocard. To make use of these accelerator or coprocessor based video cards, a Windows Graphic driver for the specific video chipset was necessary.
prov:wasDerivedFrom
wikipedia-en:Windows_accelerator?oldid=1056117717&ns=0
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3236
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wikipedia-en:Windows_accelerator