释义 |
data channel(DC) (DCH) 数据通道,数据信道;[资料通道] 1. A device that connects a processor and main storage with I/O control units. 把处理器及主存储器与输入输出控制器连接起来的设备。 2. A bidirectional data path between the input/output(I/O) devices and the main memory in a digital computer that permits one or more I/O operations to happen concurrently with computation. 在数字计算机中,输入输出设备和主存之间的双向数据通路,它允许一个或多个输入输出 操作与计算操作同时进行。 参阅data communication channel。 |