只读存储器是专门用来读出内容的存储器，但在每次加电开机前，必须由系统为它写入内容。

Read-only memory is dedicated to read the content, but in the storage time before starting the plus electric, must be systems for it writes content.

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只读存储器是专门用来读出内容的存储器，但在每次加电开机前，必须由系统为它写入内容。

Read-only memory is dedicated to read the content, but in the storage time before starting the plus electric, must be systems for it writes content.

youdao