A device used to indicate that remote connection to an interfacing computer by Dataphone or Dataset is possible.
一种显示,
以通过数据电话或数据装
(常是调制解调器)指明和一
计算机的远程连
。
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A method of interfacing with hardware that involves repeatedly reading a status register until the device has reached the awaited state. Device drivers are either polling or interrupt-driven, with the latter being more generally preferred.
一种硬件交互方法,断读状态寄存器,直到设备进入等待状态。设备驱动程序
是轮询的
是中断驱动的,后一种越来越成为首选的。