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Openai/6911cc4b-5d54-800b-88ae-dc7ac6ff2d3d
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===== - 目标:控制各种外设(键盘、显示器、磁盘、网络等)。 ===== * 具体做法: - 设备驱动:内核通过驱动程序和硬件通信。 - 统一接口:应用程序不用关心底层硬件细节,通过系统调用就能操作设备。 * 意义:让软件与硬件之间解耦,提高开发效率。 总结: * 内核不是直接操作 CPU(处理机),而是管理 进程的执行,间接利用 CPU。 * “处理机”是硬件,内核控制它的使用权,而不是它本身。 * 所以内核职责是 进程、内存、硬件,不是“处理机”。 哥们,你要不要我画个简单图,把 CPU、进程和内核之间的关系可视化给你看?
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