Design And Implementation Of On-line Examination System

With the development of the computer technique, the Computer Aided Instruction(CAI) is becoming more and more important in the education field.Among them usingcomputer to manage the test library as an important branch of the Computer AidedInstruction is a way to separate the testing and the teaching,in the same time, it also canimprove the teaching quality.So this has been an important content of the reform ineducation. As the network application expansion, such as remote education and virtualuniversity appear, and so on, and the application is gradually into the country. Peopleurgent request use these technologies for online examination, in order to reduce theburden of teachers and improve work efficiency, and at the same time also improves thequality of the exam, so that the exam notarization, tend to be more objective, morestimulate the learning interest of the students. It is in order to be able to help teacherseasy out a high quality papers and developed the software.The general situation teacherthinks out a paper，reach huge exam pool each finds out the question, or shoulder thequestion together out from several relevant books. Time-consuming and also strenuouslike this, and very difficult to guarantee coverage rate and paper degree of difficulty ofexamination question. Helping the teacher thinks out a higt quality paper is thedestination of develop this Software.This system is developed in C#language.It use the SQL Server as the backgrounddatabase.This software has been tested by us and proved it has many characteristics,such as a friendship interface, convenience for using and general-utility. The userinterface into a system by logging on, can choose the test subjects, which increases theflexibility. This system in addition to have multiple choice, judgment question theseobjective topic outside, still have this kind of answer Jane subjective topic evaluation.And the examinee to submit test paper after the system will automatically grading,candidates on the spot can know your grades. Since the system belong to on-lineexamination system, the user except in computer room can test, but also in otherInternet network has any place to carry on the exam. With automatic the way of system, can help the people easily form a satisfactory examination paper, also has theexamination paper editor print function, can the formation is imperative to edit, and canbe good formal papers print edit, reference or research. And finally achieved theautomation of the questions on the exam. The examination paper of high intelligenceand try to repeat degrees less, difficulty control is good wait for a characteristic.