The Design Of Information Technology Multiple Choice Online Examination System Based On Difficulty Rating

With the development of computer network communication technology, and personnel training methods, the traditional manual paper-based exam pattern can’t meet the comprehensive needs of social development, education must move toward information technology. This paper aims at high school IT design a multiple-choice online examination system presented in a way, and to focus on the difficulty of achieving test database functions were estimated classification research and design.This thesis begins the demand from the practice of high school IT teaching departure, makes a detailed analysis of the characteristics of high school IT curriculum features multiple-choice questions, and online examination system, and then studies online examination system that should have the main function. Proposed system designs the overall program, the main function modules and database and systems were designed in detail.The main work of papers online examination system design is difficult to estimate test database analysis and research classification functions. This article presents an item difficulty index system and the difficulty of the estimated papers discussed the meaning of item difficulty, to define and quantify the factors affecting the difficulty of the questions and sets the item difficulty and the difficulty of assessing the way papers. Online examination system for intelligent test paper during the paper provides a theoretical difficulty of control solution.After analysis and comparison, the thesis designed IT-choice online examination system, with B / S structure to JSP technology and SQL Server 2005 back-end database-based, with user management, bank management, online exams, automatic scoring, scores query and statistical analysis and other functions as one of the online examination system.