Design And Implementation On The Management System Of Item Pool And Related Test-composing Algorithm

With the wide application of computers and the advance of Internet technology, computers as an accessory equipment have played an increasing important role in the teaching. Based on the analysis of teaching process, the paper puts forward the specific function and the whole framework of the system of item pool, composing test papers and online testing in light of teaching tasks.After careful comparisons the paper presents the platform and technology applied in this system and points out the functional design, the process flow chart and the design of database in the background. The system of item pool, composing test papers and online testing system adopts the software structure on the basis of client-side/browsers, moreover, the system which is grounded on the the platform of Windows. NET focuses on software engineering, so it designs five different systemic-functional frameworks, that is, system administrator, teaching administrator, section administrator, faculty members, students/vistors.The platform of the testing system enables the database to apply systemic-operational parameter, in addition, it allows the database to employ different storing methods.Referring to the advantages of genetic algorithm and backtracking algorithm and based on the relation of knowledge key points, the paper presents the test-composing algorithm for the management of papers of written examinations in the system of item pool and administrative function of testing.In combination with the method of choosing at random and backtracking algorithm,the test-composing algorithm makes the final test paper by means of constraining the parameters of the testing category, the testing difficulty, the time allowed for the testing and distributions of the different test items.With the help of the system of pool, the faculty members may accomplish the teaching tasks as many as possible. Admittedly, the staff may simplify the working process and enhance working efficiency in the teaching on the basis of the flawless system of item pool, composing test papers and online testing.