This is a beta course, so its structure, chapters, and examples may continue to change.I/O设备分类与特性 This article is being translated. Please check back soon. Previous缓冲区管理缓冲区的基本概念、类型、管理策略和性能优化Next设备管理与驱动设备管理策略、驱动程序开发、设备分配与回收机制