How a Computer Works by Unknown

Author:Unknown
Language: eng
Format: azw3, epub
Publisher: Camboard
Published: 2015-12-13T16:00:00+00:00

GMCH

Data bits are sent from the CPU to the Graphics and Memory Controller Hub (GMCH) chip. The controller then routes the data to the AGP universal connector. Data is placed in the display adapters VRAM.

VRAM

Data transfer to Memory (VRAM)

The Display adapter then reads all the VRAM address locations into a special chip which contains three digital to analogue converters one for each of the primary colours used red, green and blue.

The DAC uses a look up table to interpret the digital value to voltage that represents a specific colour. The on board VRAM on the display adapter determines how many colours can be displayed.

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