计算机获取数据的I／O途径

I/O INTERFACE- -COMPUTER DATA OBTAINING ROUTE

本文对计算机的输入／输出（Ｉ／Ｏ）数据接口问题进行了论述，对集中式Ｉ／Ｏ和远程Ｉ／Ｏ两种方案的各自特点、性能作了说明，并列出了两者的主要技术指标。

With a discussion of I/O interface of computer,this paper introduces the features of centralized I/O and remote I/O,as well as their main technical index.