Learn in the textbookSignal Methods and Video Interfaces
DefinitionDVI is a video interface that connects a PC to a display and sends video in digital form.
ExplanationThe name stands for Digital Visual Interface, and it spread along with LCD monitors. Its connectors come in types such as DVI-D, which passes digital signals only, and DVI-I, which can pass analog signals too. The standard is for sending video and does not include audio.
AnalogyIt is like a truck with a cargo bed only for video, so sound has to go on a separate run.