讲解计算机的原理以及一些重要的应用，想了解更底层的东西就看看吧-It explains the fundametal and significant applications of micro-computer, and you can get core details of low layers from it.

《网上考试系统》是一款基于Web、采用B/S体系的考试系统软件。系统体现流程思想。无论是考试计划还是新闻的发布都需要通过层层审批才能生效，审批流程，系统自动提示，无需主动寻找-"online examination system" is a Web-based, B / S examination system software. The system reflects thinking process. Regardless of the examination progr