nssortdescriptor NSArray类使用一个数组中的数据排序的依据…

这是一个操作系统（计算机系课程）的课程设计。它的功能是模拟文件管理,包括建立用户,建立文件并对文件设置属性.还包括对文件的添加,修改,删除等操作-This is an operating system (computer science courses) are designed. Its function is simulated document management, including the establishment of users, document also set up document attributes. The document also includes the addition, modification, deletion, etc

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.

实验八  可编程并行I/O接口8255A芯片实验。1、了解8255A芯片的结构和功能。2、掌握8255A初始化程序的设计方法。3、学会8255A和CPU信号的连接方法。

一个有关操作系统的非常不错的资料，操作系统在我国应到受到比现在更多得多的关注-one of the operating system is very good information, the operating system in China should be subject to much more than the concern

提供对城市信息的编辑，提供列车时刻表和飞机航班表的编辑，提供三种最优决策：最快到达、最省钱到达、最少中转次数到达。-Provide information on the city editor, providing the train schedule and aircraft flight table editing, offers three optimal decision: to reach the fastest, most cost-effective to reach at least the number of transit arrival.

一个整体操作系统的主要功能的计算机模拟实现（含进程、内存与设备管理）-an overall system of the main functions of the computer simulation (including the process, memory management and equipment)

一个小实验 ，操作系统动态分配-a small experiment, the operating system dynamic allocation

Jungo Windriver, professional driver maker.

C语言 优先权问题-C language priority issues

S3C2440的Steppingstone源代码，NAND最初引导程序。-S3C2440