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On-line Examination System Design

Author: GongZuo
Tutor: ZhengWanBo
School: Jilin University
Course: Software Engineering
Keywords: Examination Examination paper Automatic System JSP
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 631
Quote: 2
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Abstract

In recent years, driven by rapid development of computer technology, the various tertiary institutions teaching management information construction have made great progress. At the same time, also requires teaching exam the balanced development of all aspects of the school into a good information management and teaching platform from two aspects of hardware and software. In this paper the design and development of an online examination system is one of the important part. Online examination system in line to alleviate the burden on the staff, improve the efficiency of teaching and research, to optimize student exam process, the purpose of the identification of the candidates has the human and financial time saving than the traditional mode of examination. The rapid development of Internet technology, making the exam techniques and tools are a qualitative change occurred at all levels, the open and distributed nature of the system and the enormous computing power to break the boundaries of time and space in the traditional test environment. The user can at any time, from any location with a computer access to the Internet to access the server interface agent is responsible for the provision of the questions and handle interaction with the user information, to draw the user's test scores. This system is based on B / S mode architecture running on MS platform applications, open structure, with good compatibility, as long as the corresponding database interface can easily butt with a variety of software applications. The system uses a three-tier structure: the presentation layer, functional layer and data layer. The position of the presentation layer on the client. User through a web browser requests to the server side of a online examination system, the server user authentication with network protocol to pass the desired page from the page to the client, the client receives and displayed; functional layer extended application functionality online server, including the logical transaction related functions, is located in the server-side. Functional layer receives the request sent by the client to perform the corresponding expansion of the application, the connection to the database through Structured Query data processing application sent to the database, the database will process the results to the server, and then by the server to the client; data layer is a special data server located in the database server side. It accepts requests from the server, the corresponding database operation, and the results are returned. Such a structure of the system can be easily interactive access to shared resources, to improve the utilization of the network. Online examination system in addition to the establishment of the basic questions database, but also need to establish Paper Generation System, to meet different user needs to generate the appropriate papers. The MicroSoft platform based on development, all user actions follow the General Guidelines for MicroSoft software. To adopt building structures concept subjects can be user-defined, learning content, exam questions, exam papers, the true meaning of \The entire system to support online learning, online jobs, online examinations, online contest four functions, according to the actual situation and the changes in the external environment, its sole discretion, to revise and improve, to adapt to the needs of the market competition, can fully learn from other institutions related experiences. Do not have to install any software based on Web technology development, client, simply through the browser to use online examination system. In many details more humane, more mature, more perfect, combined with user needs, to meet the learning in the network environment, training, competitions, examinations, so that the accumulation of knowledge and information, and improve safety performance, enables users to better network learning, efficient and safe examination. The new trend in the application of the system and traditional technologies combination, the truly paperless Network exam. The system interface is friendly and beautiful, is easy for the user to get started using the Internet and LAN client as long as the installed IE browser, you can use the system, the system learning can be used directly in the IE environment, training , competitions, exams. The system uses the latest components encryption and database encryption technology and SSL data transmission, and fully guarantee the security of customer data. The system is used for the registration of ordinary users and administrators, login and online exam administrator questions Login, edit, delete, query, the JSP application management, has a strong openness and flexibility. Administrator can not only add to the questions database, edit, and query questions, and can also automatically create a new test subjects and to establish the appropriate exam; It also allows the user according to the different needs, select the test subjects. Candidates for effective authentication login, you can choose the test subjects, and was required to achieve the specified time, the system will automatically be prompted to submit papers within the stipulated time. Once the candidates to submit the appropriate subjects of respondents will be able to see their test scores, the scores will be loaded into the database for inspection; In addition, you can completely automatically by a computer flexible, the random extraction test database in all kinds The exam is composed of a variety of different forms of papers, its contents will change with the questions of the library to meet the needs of the different forms and levels examinations. The system is divided into three modules: user registration module, test module and system management module. System module is the increase in storage and delete questions database of questions related to the operation of the system running; the query module exam information to students remotely inquiries. Online exam module is client candidates through their own user name and password to log in to the online examination system by the system in accordance with the topic and teachers to enter the corresponding interface pre-set paper structure appropriate number and difficulty of the topic were randomly selected from the questions, the formation of the papers . The system selected the development software is JSP, the back-end database the ACCESS system developed using structured design thinking.

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