摘要
针对目前传统考试效率低下的问题,该文设计并实现了一个在线考试系统,系统包括对系统中的试题库的详细结构设计,设计了抽题算法,通过采用随机抽取与设置难度系数相结合的方式使试卷中各种难度试题数量的分布更加合理、科学,系统使用方便,有效。
View of the current inefficiencies of traditional exams, the paper design and implement an online examination system, the system including system test database the detailed structural design, design of pumping problem algorithm, through the use of random coefficient and setting the difficulty of combining a way that the number of papers in the distribution of a variety of difficult examination questions more rational, scientific, systematic easy to use and effective.
出处
《电脑知识与技术（过刊）》
2009年第11X期8941-8942,8945,共3页
Computer Knowledge and Technology
关键词
数据库设计
抽题算法
难度系数
database design
extraction questions algorithm
degree of difficulty
