原标题：HDMI、DVI 我们的电脑为什么会有这么多种视频接口？ 【PConline DIY老司机】前一段时间，刚换了一个显示器，显示器配上了所有种类的视频连接线，而我自己用的话仅仅会去使用其中的一种。其实大家在买电脑的时候也会看到显示器、显卡有多种接口。

DVI (Digital Visual Interface) ports aren’t nearly as common as they once were, but they can still be found on older displays, GPUs, and A/V equipment. If you have an older device that does have a DVI ...