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Modern Distance Education along with the development of modern information technology and produce a new type of education model is to build a knowledge-based economy era people lifelong learning system the principal means. Web-based distance education system can give full play to the network in the teaching of advantages, and demonstrate to students as the main body, led teachers, students build full participation and independent learning environment, and other modern educational thinking. With the continuous development of computer technology, online distance education are more widely used, and online education and online examination is one of the applications. "Web-based distance learning system" is based on the B / S development of the typical management information system, it easy to use, simple operation, a wide range of applications.
"Web-based distance learning system," including online education and on-line examination of two subsystems, which include online teaching subsystem module students and teachers. Students can self-teaching in the Notice here for news operations available to teachers correcting in the room by answering questions; can chat with teachers and students to discuss the issue. Teaching teachers can be released to students including lesson plans; teachers can function notice issued by the notice of the operation, students need to work through upload handed over to the way teachers work under completion rate for each assignment; students In answering a question by the function realization. Online Examination subsystem, including back and future management module management module two modules. Manage modules module only administrator (teachers) users. Administrators can question bank (including the judge that, in multiple-choice and Chenkongdi) to add, delete, modify, and other operations. If the current view of the administrator can not meet the requirements provided in the existing conditions can search query information. Not only can the planning papers Questions, scores of conduct to create, modify and delete operations, and the examination results can be carried out enquiries, according to the actual situation on the Examination qualified students with the approval Examination, students can also find and delete resources. Management Module prospects open to students. Students of the past, users can browse their academic performance, can also participate in the examination, on the creation of the papers in the subject answered. Answer completed, the system automatically calculate the correct answer control database scores, and results submitted to the library
In this paper, a Web-based distance education system architecture and design, which focused on the online examination system into a certain volume of the in-depth study. Implementation of a Web-based distance education system some of the main function, has a Web-based distance education system for example.
In this paper, the Web-based distance education system needs analysis and feasibility were discussed, and then the analysis of the system architecture is the design of the whole system and the detailed design. And the examination of the computer on-line system as volumes were discussed Finally, the Intelligent Answering System conducted a preliminary analysis and discussion.

Keywords: Modern Distance Education System, B / S, genetic algorithm, Intelligent Test Paper

Papers type: software development

The modern distance learning is one kind of new educational pattern which produces along with the present information technology's development, constructs the era of knowledge economy people lifelong learning system's principal means. Can display the network fully based on the Web long-distance teaching system in the teaching superiority, manifests take the student as the main body, the teacher is the leadership, constructs the student to participate in and independent study modern education thought fully and so on environment. Along with computer technology's unceasing development, on-line distance learning obtains more and more widespread application, but the online education and the online test are a application.
“based on the Web long-distance teaching system” is based on the B/S pattern development model management information system, its easy to operate, the simplicity of operator, the applicable scope are broad.
mainly includes the online education “based on the Web long-distance teaching system” and online takes a test two sub-systems, the online teaching subsystem mainly includes the student and the teacher module. The student may study independently through the lesson plan; In announcement browsing inquiry news; The work uploads to the teacher revises; Raises the question in the Q/A room; May discusses the issue in the chatroom and teacher and schoolmate. The teacher may realize the course content including to issue the lesson plan to the student; The teacher may issue each notice through the announcement function; Regarding the work, the student needs to deliver the work through the upload way, the teacher completes the situation according to the work to each work allocation; Realizes regarding student's inquiry in the Q/A function. The online test subsystem includes the backstage administration module and the onstage administration module two modules. The backstage administration module module (teacher) the user is only open to the manager. The manager user may to the question bank (including judgment topic, choice question and fills up topic) to carry on increases, operations and so on deletion, revision. If the current browsing part cannot satisfy manager's request, provides the search criteria to be possible to inquire in the existing information. Not only may to plan the examination paper the topic, the score and so on to carry on the foundation, the revision and the deletion operation, moreover may carry on the inquiry to the score on the test, to has the make-up test qualifications student according to the actual situation to authorize the make-up test, but may also carry on the search and the deletion to the student resources. The onstage administration module is open to the student. The student class user may glance over oneself former academic record, may also participate in the test, carries on the reply to the foundation examination paper's topic. The answer finished, the system automatic comparison database right key figured out the score, and submitted to the result storehouse in this article in based on the Web long-distance teaching system's structure and the design, has conducted certain deep research to the key online test's coiling system. Has realized one based on Web long-distance teaching system's some major functions, has realized one based on the Web long-distance teaching system's basic example.
This article to has carried on the elaboration based on the Web long-distance teaching system's demand analysis and the feasibility, then has analyzed this system's architecture, has given overall system's system design and the detailed design. Then has carried on the discussion to the computer online test's coiling system, finally has carried on the preliminary analysis and the discussion to system's intelligent Q/A.

Key word: Modern long-distance teaching system, B/S pattern, genetic algorithm, intelligent group volume

Modern Distance Education along with the development of modern information technology and produce a new type of education model is to build a knowledge-based economy era people lifelong learning system the principal means. Web-based distance education system can give full play to the network in the teaching of advantages, and demonstrate to students as the main body, led teachers, students build full participation and independent learning environment, and other modern educational thinking. With the continuous development of computer technology, online distance education are more widely used, and online education and online examination is one of the applications. "Web-based distance learning system" is based on the B / S development of the typical management information system, it easy to use, simple operation, a wide range of applications.
"Web-based distance learning system," including online education and on-line examination of two subsystems, which include online teaching subsystem module students and teachers. Students can self-teaching in the Notice here for news operations available to teachers correcting in the room by answering questions; can chat with teachers and students to discuss the issue. Teaching teachers can be released to students including lesson plans; teachers can function notice issued by the notice of the operation, students need to work through upload handed over to the way teachers work under completion rate for each assignment; students In answering a question by the function realization. Online Examination subsystem, including back and future management module management module two modules. Manage modules module only administrator (teachers) users. Administrators can question bank (including the judge that, in multiple-choice and Chenkongdi) to add, delete, modify, and other operations. If the current view of the administrator can not meet the requirements provided in the existing conditions can search query information. Not only can the planning papers Questions, scores of conduct to create, modify and delete operations, and the examination results can be carried out enquiries, according to the actual situation on the Examination qualified students with the approval Examination, students can also find and delete resources. Management Module prospects open to students. Students of the past, users can browse their academic performance, can also participate in the examination, on the creation of the papers in the subject answered. Answer completed, the system automatically calculate the correct answer control database scores, and results submitted to the library
In this paper, a Web-based distance education system architecture and design, which focused on the online examination system into a certain volume of the in-depth study. Implementation of a Web-based distance education system some of the main function, has a Web-based distance education system for example.
In this paper, the Web-based distance education system needs analysis and feasibility were discussed, and then the analysis of the system architecture is the design of the whole system and the detailed design. And the examination of the computer on-line system as volumes were discussed Finally, the Intelligent Answering System conducted a preliminary analysis and discussion.