The Design And Implementation Of Certificate Examination & Checking System Of IT Grade Of Middle And Primary Schools

IT course was offered longer time ago in the middle and primary schools of Zhejiang Province, but has Not formed the systematic appraisal system yet besides nationwide examination for graduation qualification of high school. In order to advance the IT education of middle and primary schools further, the self-taught examination Office of Zhejiang Province started the subjective program of the State's Tenth Five-Year Plan in 2002 -The Certificate Examination of IT Grade of Middle and Primary Schools of Zhejiang Province, this thesis selected title stems from this subject directly.The System focus on the characteristic of the course of information technology, through formal description over checking and system pre-set information, based on VBA technology, synthesize and inlay Web server, E-mail server, data encrypt, compressing, etc., has finished whole function of Certificate Examination of IT Grade of Middle and Primary Schools.1.Formal description system of checking information and its parse system. In order to give attention to flexibility and accuracy while checking, through the formal description of checking information, it has explain the relevant information of checking briefly and accurately, including the score , the content, model answer ,etc.。 Meanwhile, to the examination system, we have designed formal language parse system with strong function, comparatively, have realized the basic function of high-level language including branched structure , circulation structure , macro replace, variable , expression formula evaluation, and totally realized the parse function to this language system in checking system? through this language system, we can describe and reach the requirements of complicatedness of checkings Meanwhile , formal description realize the separation of the program code and examination papers ,it have laid a good foundation for systematic expansion.。2.Realization of getting properties base on Office Module and VBA technology. The system utilizes VBA programming technology while checking Office files, get each object and its properties in the examination result, and combine othertechnology such as text comparison; realize the comparison with model answer. It has reflected the characteristic of the IT teaching of the middle and primary schools that we laid stress on the result of operating but Not the process.3.E_mail operations checking by MIME decode.In order to check the operation related to the E-mail and to the demand of the exam system, we design and realize a miniature inlaying E-mail server inside. Drawing support from it herein, the system can control mails to receive and dispatch, analyze such information as the theme, content of the mail, etc. thus, it realize check function of relevant examinations content of the E-mail.4.Met the requisition for security of the system by encrypt and compress technology.In addition, to satisfy the demand of security of the examination course and the examination data, the system design and realize some special file format, Drawing support from the technology of encrypting, compressing, the system met the requisition for security of the examination.Up until now, the numbers of person who have participated in this exam in Zhejiang Province have exceeded 800000, the system had run quite steady, and the accuracy of checking is approved too.