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| 只读存储基片 | |||
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| 只读存储芯片只读存储器芯片是正常运行情况下存储内容只有读出操作,没有写人操作的半导体存储芯片。写人数据后，即使切断电源,ROM 存储内容仍不会消失。是一种非易失性存储器 | |||
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