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下列对监控记录插件的性能参数描述,正确的是()。

发布日期:2021-03-22

下列对监控记录插件的性能参数描述,正确的是()。
A

主CPU采用32位微处理器

B

程序存储器采用内部存储方式容量不小于1MB

C

供记录用数据存储器采用非易失性数据存储器可不带电池长期保存数据

D

实时时钟频率为16MHz无须外部电池供电时钟误差不大于90S/月

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铁路职业技能鉴定考试

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