| 释义 |
external device start 外设启动 A procedure that occurs if the specified external device is not busy,the channel the specified external device is connected to is not busy.In the procedure the external device start signal is transmitted from the central processor to the specified external device and initiates the specified operation. 当指定外设和与此外设连接的通道空闲时发生的一种操作过程,其时,从中央处理机发送 外设启动信号到该指定外设并且起始规定的操作。 |