Wireless personal digital assistant (PDA) and database-based experiment evaluation system and method

Abstract

The invention relates to a wireless personal digital assistant (PDA) and database-based experiment evaluation system. The system comprises a background server, a wireless router, a card swiping subsystem and a client consisting of a local area network (LAN) PC, a plurality of campus network (CN) PCs and a wireless PDA, wherein the background server, the LAN PC, a card swiping PC and the wireless router are connected to the experiment centre LAN; an IC card reader is connected to the card swiping PC through a USB interface; the CN PCs are connected with the CN; and the experiment centre LAN is connected with the CN. A wireless PDA and database-based experiment evaluation method comprises the following steps of: swiping cards by students, logging on to a WWW server, querying student information, selecting a student and an experiment project, querying evaluation standard information, estimating experiment and the like. With an evaluation standard, the system and the method have the advantages of strictness and consistency, more comprehensive evaluation indexes, convenient arrangement of experiment results and the like, and create conditions for the complete opening of the laboratory.

Description

technical field [0001] The invention belongs to the technical field of wireless local area network and palm computer, in particular to an experiment evaluation method based on wireless palm computer and database. Background technique [0002] Wireless Local Area Network (WLAN for short) is an easy-to-use data transmission system, which includes technologies such as Bluetooth, IEEE802.11 series, HiperLAN, and HomeRF. Among them, the technology widely used at present is IEEE 802.11 series. Wireless local area network can make use of the simple access structure to allow users to achieve the ideal state of "portable information and convenient access to the world". Wireless LAN is generally not used to replace wired LAN, but to make up for the shortage of wired LAN to extend the network. Wireless local area network has very obvious advantages in solving the problem of moving information points, improving teaching efficiency and saving the cost of network integrated wiring. It i...

AI Technical Summary

Problems solved by technology

[0014] With the help of these systems, experimental teaching management can be assisted, but some core issues of experimental evaluation have not been solved:

[0015] a. The evaluation standards are difficult to be consistent: Since different evaluators (experimental teachers or teaching assistants) conduct tutoring and performance evaluation for different experimental groups, it is difficult to achieve strict consistency of evaluation standards;

[0016] b. The evaluation indicators are not comprehensive enough: the evaluation indicators mainly record whether the students have completed the experiment preview and whether they have successfully completed the experiment, and there is no comprehensive examination of the students' experimental process

Often in the past, students tend to one-sidedly pursue the speed of experiments, thinking that as long as the experimental results are completed, the course tasks are completed, and they often ignore the careful observation and innovation in the experimental process;

[0017] c. Unable to achieve full openness: the teaching form corresponding to each experimental group is kept by the person in charge of the group. When the experiment is opened, the evaluator has no way to grasp the information of the students who come to the experiment, the progress of the experimental project, the previous experiment situation, etc., thus Unable to provide individualized tutoring for students, and unable to accurately evaluate students' experimental conditions

Images