- An unit which provides the necessary interfacing between a peripheral device and the computer input/output system. It provides the decoding of the computer commands relating specifically to a particular device, it also develops the necessary control voltage levels and the timing for the operation of the peripheral device.; 一種為外圍設(shè)備和計(jì)算機(jī)輸入輸出系統(tǒng)間提供所需接口的裝置,對(duì)特定設(shè)備有關(guān)的專用計(jì)算機(jī) 命令進(jìn)行譯碼,產(chǎn)生必須的控制電壓電平及同步［定時(shí)］信號(hào)去控制外部設(shè)備。同input/output controller。
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