1.Graphics card (Video card, Graphics card) The full name of the display interface card,also known as the display adapter, is the most basic configuration and one of the most important accessories of the computer.
As an important part of the computer host, the graphics card is a device for the computer to perform digital-to-analog signal conversion, and undertakes the task of outputting and displaying graphics;
 

2.A monitor is an I/O device belonging to a computer, that is, an input and output device. It is a display tool that displays certain electronic files on the screen through a specific transmission device and then reflects it to the human eye. The display is just a display device and it does not participate in data processing and conversion;
 
3.The quality of the graphics card will directly affect the display output of the monitor, and the failure of the graphics card will lead to bad screen, blue screen, black screen and other bad situations;
 
4.The graphics card is related to the resolution and response time of the display; the high-end graphics card is equipped with a high-resolution monitor; the high-end graphics card outputs a relatively high resolution;
 
5. The quality of the graphics card affects the speed, transmission and processing functions of the graphics card to process images, and the display screen is only used as a display output device.