关于读者写者的问题，分别实现读者优先和写者优先．

android 操作系统英文开发文档说明-android development documentation

一个完整的GUI界面OS,单盘启动 实现了多线程、FAT32文件读写，GUI图形界面-a complete OS GUI interface, single-disk realized multiple threads, FAT32 file read and write, GUI graphical interface

输入关机的时间即可在指定的时间关机，就是添加at的计划任务。在等待关机的时间内本程序不会运行。-Enter the shutdown time can be turned off at the appointed time, that is, plans to add at the mission. Waiting time of the shutdown process will not run.

环形队列，经过测试通过，很好用，可以增加，可以减少,FIFO-Circular queue, after the test is passed, good use can be increased, can be reduced, FIFO

国外的-C++ 200多个源码-foreign-C more than 200 FOSS

wince串口、GPS信号处理，GPRS拨号上网,已经测试过.-wince serial, GPS signal processing, GPRS dial-up has been tested.

操作系统引导监控程序-operating system monitoring program guide

操作系统课程设计。包括了源码跟任务报告书。-Operating system, curriculum design. Includes the source code with the mission report.

用C语言实现的一个模拟文件系统,里面是实现的源代码!-C language simulation of a file system, which is the source code!

Computer technology has made incredible progress in the roughly 55 years since the first general-purpose electronic computer was created. Today, less than a thousand dollars will purchase a personal computer that has more performance, more main memory, and more disk storage than a computer bought in 1980 for $1 million. This rapid rate of improvement has come both from advances in the technology used to build computers and from innovation in computer design.