- 1. A device that connects a processor and main storage with I/O control units.; 把處理器及主存儲(chǔ)器與輸入輸出控制器連接起來的設(shè)備。 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. | 在數(shù)字計(jì)算機(jī)中,輸入輸出設(shè)備和主存之間的雙向數(shù)據(jù)通路,它允許一個(gè)或多個(gè)輸入輸出 操作與計(jì)算操作同時(shí)進(jìn)行。參閱data communication channel。
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