The Design And Implementation Of Examination System On Line

Examinations become the indispensable measure to choose the qualifiedemployee.It is connected to everyone in his learning,working and living that we mustconfront with the various educational-level examination and qualificationcertificate.As the incessant development in computer network technology and therelated technology,the instrument and medium of examination,in which the traditionalexamination just meet with challenges,take the great changes.The computer networktechnology is massively applied in the field of education,from paper examination tocomputer aided examination,and to online examination Based on Web.The onlineexamination not only saves the enormous laborer and resources but also enhances theefficiency and quality of examination.Without the limitation of time and space,theWeb-based online examination can exert its advantage to constitute the large,efficientand shared the Test Question Database(TQD)with the low cost,the result of test beingmore precise and objective.The paper mainly discusses the research significance,major contents andapplication prospects of the test system.this paper states the theories and relevanttechnology used in system amply.It includes:modeling tools,exploitation tools,systemarchitecture,database designing,arithmetic of auto generating test paper,evaluation oftest.The article also emphasizes on feasibilities analysis,system analysis,databasedesigning,realization of system,system running and system debugging.The system iscomposed by following function modules:user management,TQD management,creating test paper automatically,online exam,automatic verdict papers,all-aroundquery,evaluation of test,etc.The system mainly has five features as the following:First is the digital TQD.To put questions in exam_system and manage them withthe database technique provides convenience to the storing,sorting,searching andworking out of test papers.Second is creating test paper randomly and automatically.The system can selecttest papers at random according to the testing tactics,which greatly improves theefficiency of organizing test questions.Each student has a different test paper.It canprevent cheating,to insure the justice of the examination.The third is renewal of TQDin due course.The teachers can increase,delete,modifyand renew the TQD according to the assessment and analysis of the result of test or its object.The fourth is the effective storage of test data.The test paper and scores ofexaminee are kept in the database,so the teacher can check the test paper and increasethe nicety of checking and standardize the examination process.The fifth is the control of the security.The identity is validated when someone tryto edit,modify,research the test paper and the score of the test.The sixth is convenience and celerity.Computer exam system provides aconvenient exam environment.It not only reduces the cost of the exam,but also reducesthe teacher’s workload.The online examination system which offers an agile,convenient and scientificmeasure for learning courses and the individualized study is approached to theexpected target by applying in the public computer course examination.