Design And Implementation Of University Englishonline Examination Based On B/S Structure

21st century is an era of information, the rapid development and wide application of technologies on computers, network, multimedia, communication and Internet technology offer a new model for universities with traditional school-running models. Under this situation, both the carrier and technological method of exam have changed; and Internet-based exam system was applied in various kinds of exams. College English online exam system overturned the traditional way of examination, because it makes the question type designing of English exams more diversified, adds multimedia questions, has no limit on exam sites and times, and what’s more, it aids the exam management, score statistic and inquiry and exam paper generation work more efficient. Hence, the internet-based exam system was well received by many universities.This exam system uses VS2010 and SQL Server2008 as development tools, adopts ASP.NET network techniques, and develops a college English online exam system which is based on B/S mode. The research contents of this dissertation include: The first part is modeling for college English exam system by using UML, defining the use case role and responsibility in the system, then setting up use case model and system design model. The second part is adding functions including storage, search and management of multimedia data to the system, which realizes the playing of audio and video questions, enriches question types of English exams. The third part is generating the exam papers through random function generating arithmetic to realize automatic extraction of question papers, which generates exam papers according to question types, quality, difficulty and score in the exam papers; thus it raised the working efficiency of teachers. Currently,this college English online exam system is popularized and applied in computer-aided English study rooms in college.