样本的下载版本包括一个测试驱动程序，还有一些添加的代码用于通过计算元素、删除和添加的个数来检查不同模型的操作。
The download versions of the samples include a test driver and also have some added code for checking the operation of the different models by counting elements, deletes, and adds.
大写键可以直接打印，键盘驱动程序可以对很多更为特殊的情况进行编码，但是其模型是相同的：按下一个键就代表输入某个特定的字符。
The key caps may be printed differently, and the keyboard driver may encode a few more special cases, but the model is the same: Press a key to type a specific character.
另外，由于单独的应用程序和驱动程序可以集成到没有操作系统的平台，因此okl4的组件模型是轻量级的。
Further, because individual applications and drivers can be integrated into the platform without an operating system, the component model for OKL4 is lightweight.
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