“The function of the graphics card is to control the graphics output of the computer. It is the hardware connected to the host computer and the display. It is responsible for processing the image data sent by the CPU into a format recognized by the display and outputting it, which is what the human eye sees on the display. image.”
1. The CPU transmits the data to the display chip through the bus.
2. The display chip processes the data and stores the processing results in the display memory.
3. Display memory transfers data to RAMDAC and performs digital/analog conversion.
4. The RAMDAC transmits the analog signal to the display through the VGA interface.
Post time: Aug-11-2022