实现IO检测功能，通过IO底层驱动实现，能获取CPU的某路IO口功能-The IO detection function, achieve by IO the underlying driver, IO port access to the CPU of a road

一个在MFC中使用IOStream IO实现高效文件流操作的小例子-a sample of highly efficient document IO access in MFC

Multi-level queue 196 scheduling algorithm is used in scenarios where the processes can be classified into groups based on property like process type, CPU time, IO access, memory size, etc. One general classification of the processes is foreground pr