如果您编写无需操作系统，直接在处理器上运行的应用程序，您可以使用处理器可以寻址的所有内存(假设连接到了足够的物理ram)。

If you were writing applications to run directly on the processor without an OS, you could use all memory that the processor can address (assuming enough physical RAM is connected).

youdao

如果您编写无需操作系统，直接在处理器上运行的应用程序，您可以使用处理器可以寻址的所有内存(假设连接到了足够的物理ram)。

If you were writing applications to run directly on the processor without an OS, you could use all memory that the processor can address (assuming enough physical RAM is connected).

youdao