释义 |
standard byte input /output bus 标准字节输入输出总线;[标准数元组输出入汇流排] A device which provides a path for transfer of data, control, and status between the processor and external peripheral devices. The direct memory access (DMA) channel option communicates directly with memory. 为在处理机和外部设备之间传送数据、控制信息和状态提供通路的设备。选项DMA通道则是直接与主存通信。 |