device driver n. 设备驱动程序 使计算机系统可以与设备进行通信的一个软件组。在大多数情况下，驱动程序也会对硬件进行操作以便将数据传送给设备。有些设备，尤其是 PC 兼容机上的一些视频适配器，在系统中没有安装正确的设备驱动程序时，这些设备将无法正常工作。【英】A software component that permits acomputer system to communicate with a device. In most cases, the driver also manipulates the hardware in order totransmit the data to the device. Many devices, especially video adapters on PC-compatible computers, will notwork properly—if at all—without the correct device drivers