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Multi-Purpose Exam System


System functional requirements and logical relations. The formation of the overall structure of the system shown in Figure 2. Subsystem and subsystem testing exercises for students. Management subsystem is for managers and teachers. r Bu practice test subsystems Subsystem - T solving guidance Canton IL dance test knowledge structure set up to establish l Bu Ha maintenance problems bank of knowledge classified by Ir r Q Management - + bank search and statistical-_} lI Pu by Questions then print Q & Cable fL difficult lJL free combination of conditions re-main control module-lF pen paper pen mode test paper I ll Bu Bu Paper Management - Series -5 + pen ~ 4ttl paper print mode lf Il Bu Dance Dance Generation Management Paper subsystem - wide distribution of performance statistics of total J Bu performance management results - + 『knowledge point scoring rate statistics [cover fold din l-Canton dictionary maintenance - T Questions dictionary maintenance data backup BU I L L system,[link widoczny dla zalogowanych], the difficulty of the dictionary maintenance services - + Pu deposited into the old data, according to recover deleted user management circle L 2 structure of the system to achieve mutual l 2 system to achieve environmental systems to FoxPro as a development tool. Development is completed, will be compiled into a FoxPro EXE file. Can be run from the FoxPro environment. Chinese platform was used with a special function UCDOS. System hardware requirements: 386 or more stand-alone compatible, 4M or more memory, VGA color display above, hard disk l0M above; network using NOVELL A. 2.2 The implementation of random number generator random random topics require the use of good performance of a random number. We are prepared according to congruence by a random number generator, it has simple, good random and uniform distribution characteristics. The specific algorithm is as follows: With 【London home lifiiimitS, = J. Sf a 1modM, where = 23; M = 10 + l: a 1. 2. 3, ... int [fall-type] + * Chapter 5, ZHANG Ying et al: Multi-Purpose 27.2 .3 topic group item bank system algorithm regardless of volume when the test paper or pen to practice or test paper test paper volumes are in units of categories of knowledge, from the content. Questions and difficult three random topics of the process control computer, specific algorithm shown in Figure 3. Distribution of selected topics of the algorithm is good, the resulting paper with the required knowledge distribution. Questions in the distribution of the error distribution and the difficulty of not more than 3%. Figure 3 Algorithm for the knowledge category of the student users to buy a paper into the system, the system will dynamically create a personal directory for the algorithm will be stored in the temporary subdirectory exam, the topics. One answer is also carried out. In a network environment, because each user category in only one topic of knowledge sharing exam before a short read, reducing access to shared exam conflicts, improve the system efficiency. Our school system has been applied to non-computer professional