VGA (Video Graphics Array) is a computer display standard using analog signals proposed by IBM in 1987. VGA interface is a special interface for computer to output data using VGA standard. The VGA interface has 15 pins and is divided into three rows with five holes in each row. It is the most widely used interface type on graphics cards and is available on most graphics cards. It transmits red, green, and blue analog signals as well as synchronous signals (horizontal and vertical signals). It has the advantages of high resolution, fast display speed and rich color. VGA interface is not only the standard interface of CRT display devices, but also the standard interface of LCD display devices, which has a wide range of applications.

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