例如，通过使用一个方便的结构，可以映射特定的硬件外设的整个寄存器区域。

For example by using a handy struct, you can map the whole register area of a particular hardware peripheral.

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系统总线将CPU与主存相连，这与将CPU与系统硬件外设相连的总线是分开的。

The system bus connects the CPU with the main memory and is separate from the buses connecting the CPU with the system's hardware peripherals.

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之后便是更换了内核和大幅改写结构的Windows 2000出场，而这种根本上的改变就意味着对于新硬件的要求和对于大量外设和软件的不兼容。

Then came Windows 2000, replacing the OS kernel and much of the architecture, which meant it needed newer hardware and was incompatible with many peripherals and applications.

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