VGA interface causes

VGA interface causes:

The information processed by the video card must be output to the display finally. The output interface of the video card is a bridge between the computer and the display device. It is responsible for outputting the corresponding image signal to the display.

CRT monitor because of the design and manufacture of reasons, can only accept analog signal input, which requires the video card can output analog signals. VGA interface is the video card output analog signal interface, VGA (Video Graphics Array) interface, also known as D-Sub interface. Although the liquid crystal display can directly receive digital signals, but many low-end products in order to match the VGA interface card, which uses VGA interface.

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