What are the interfaces of the monitor and what is its purpose?

1, VGA interface: it is a universal interface, which has been adopted since the CRT era. It is a color difference analog transmission interface, D port and 15 hole, which transmit different signals respectively. In addition, VGA interface is also called D-Sub interface.

2.DVI interface: digital video interface. It is an interface standard introduced by the DDWG Digital Display Working Group established by Intel, Compaq, Hewlett-Packard and Fujitsu in 1999.

3.HDMI interface: HDMI is the most common interface in our daily life and is widely used in home multimedia devices.