DVI stands for digital video interface and it is designed for the interfacing of a video device to usually a high definition display device. This is an industrial standard for the transmission of digital video content and the DVI standard is developed by the Digital Display Working Group (DDWG) in April 1999. DVI is a hot pluggable external interface for the PC with a 29 pin connector. The DVI connector has both male and female types.
The image of a male DVI connector
The image of a female DVI connector