Design And Implementation Of Online Examination System Based On Web

The commonly use of network technology makes online teaching develop rapidly as a new teaching model. It overcomes the traditional education in time and space limitations, provides a convenient way of learning, diversifies learning environment and enriches learning resources. Online Examination is an important part of the network of teaching. Comparing to the traditional test, it is cost-saving and labor-saving in organizing tests, reading test paper and scoring, and it breaks through the limits of time and spatial. The use of computer in various test not only save the resources, but also increase the veracity and objectivity of scoring, and also it improves the efficiency of test work.The online examination system based on Web technology development, adopts B/S model of three-tier architecture and uses ASP.NET technology, AJAX technology C#programming language and SQL Server2008as database management system On the base of analyzing the requirement of network examination, online examination system was designed uniformly and system adopted genetic algorithm to generate test paper. In the design of examination system, XML technology was combined with database technology, which adopted XML to describe exam papers, played XML technology in the data description and data exchange and display of superiority to improve system performance.In this system, students can take the exam and choose their own learning content to take self-test exercises. When self-test is completed, students can view their own answer situation and the standard answer of these questions; this played a role in promoting students’ independent learning.