This is a beta course, so its structure, chapters, and examples may continue to change.I/O子系统结构This article is being translated. Please check back soon. Previous I/O控制方式 程序查询方式、中断驱动方式和DMA方式的原理、实现和比较Next Probability and Mathematical Statistics Study the laws of random phenomena, learn methods of data analysis and inference, and master the science of extracting information from data.