OPES: An On-line Practice and Examination System Based on Web

On-line practice and examination is a new trend of interactive remote teaching and learning. By providing practice and examination content, OPES realizes another distributed and asynchronous learning atmosphere for students. OPES is carried out under the B/S design model with student, teacher, system administrator three functional roles. During the practice procedure, the practice content is focused on the users' weakness of knowledge by dynamic adjusting questions. After each time of practicing, OPES will summarize and export the weakness and blind spots of user as guidelines. Students can capture detailed knowledge under the instruction of guidelines. The exam questions are generated randomly under the testing thematic with scientific counting distribution. To reduce the burden of clients, all the operations are executed on the server side and the clients only received execution results by JSP technique.