Not the microcomputer secondary storage devices is d.
不是微机辅助存储设备的是D。
You can store data on secondary storage devices, such as a direct access storage device or magnetic tape volume.
你可以在辅助存储设备上存储数据，例如直接存取存储设备或者磁带。
Data acquisition systems are used to acquire process operating data and store it on, secondary storage devices for later analysis.
数据采集系统是用于获得数据处理和存储，二级存储设备作为随后分析。
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