linux系统编程，计算机系统的基本构成

处理器，主存，I/O模块，系统总线

中断的分类

程序中断，时钟中断，I/O中断，硬件失效中断

存储器的层次结构

Register->cache->main memory->disk

操作模式分为？内核模式，用户模式任何资源分配和调度策略都必须考虑的三个因素公平性，有差别的响应，有效性-linux system programming, the basic structure of a computer system processors, main memory, I/O module, the system bus interrupt the classification program interruption, the clock interrupts, I/O interrupts, hardware failure interruption memory hierarchy Register->　cache->　main memory->　disk operating mode is divided into? Kernel mode, user mode, any resource allocation and scheduling strategies are three factors must be considered fairness, a difference of response, effectiveness