The rapid development of computer applications and network technology has made it urgent to utilize these technologies to conduct online exams in order to reduce the workload of teachers as well as to improve work efficiency and the quality of exams. Online question and answer system is of great significance in realizing the synchronous examination at a distance, improving the examination efficiency, and ensuring the fairness, impartiality, science and timeliness of the examination results.

Online question and answer system has the following basic functions:

1, the online question and answer system has a flexible grouping strategy, is not bound to a grouping form. Among them, the fixed paper refers to the manual selection of test questions by the paper writer, the test is the same for all candidates, suitable for formal examinations. Drawing group paper and random test paper means that in the test bank, a specified number of test questions are drawn, and then the system carries out random drawing group paper.

2. The online question and answer system can upload questions on its own and build its own question bank resources. General examination required single choice questions, multiple choice questions, fill in the blanks, judgment questions, questions and answers and other types of questions can be imported; for indefinite choice questions, audio and video questions, complete fill in the blanks, comprehensive questions and other special types of questions are also supported. You can add test questions visually, or use Word, Excel, TXT templates to batch import test questions, and the imported test questions can be categorized by knowledge points.

3, online question and answer system can create exams, authorize candidates to participate in the way, set the parameters of the examination environment.

There are four ways to authorize candidates to participate in: no login test, password test, no login + password test, arrange the test.

There are anti-cheating settings such as test question disorder, face recognition verification of identity, camera capture, prohibition of exam screen cutting, copying, pasting, etc.

You can also set the parameters for simulated exam scenarios such as passing score, exam time, length of time to answer the questions, number of times you can take the exam, paper mode, results display, and limitations on answering devices.

4, the online question and answer system not only supports manual marking, but also supports the system automatic marking. The combination of the two marking modes, whether subjective or objective questions, can be completed within the system marking.

5. The online question and answer system will analyze the data from the examination, the candidates, answering questions and other dimensions, the system will show the candidates' results, the correct rate, the score ranking, the average score, the participation and so on.