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单词 I/O processing unit (IOP) selector
释义

I/O processing unit (IOP) selector


A selector which performs bidirectional data transfer between core memory and highspeed peripheral devices. Up to 32 devices can be attached to a selector IOP, but the high data transfer rates associated with devices allow only one device to operate at a given time (in some systems).; 一种计算机系统专用设备,在主存和高速外部设备之间双向传输数据。一个选择器最多可 连接32台外部设备,但在一给定时间内只能有一台设备可以操作。
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