This category includes video displayadapters, dot-matrix printers, and laser printers.
这类包括视频显示卡，点阵式打印机和激光打印机。
2
Obviously, different video displayadapters and printers require different device drivers.
显然，不同的视频显示卡和打印机需要不同的设备驱动程序。
3
Video-process chips on displayadapters always have the digital interface which can support the panel monitor, the output port of most of displayadapters only offer the analog signal interface.