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In distance education, the elementary function of data management system is to handle the related data in network teaching in filtering, sorting and classification, and make it to be the useful information for management and decision-making. Through the analysis and comparison of the commonly used data management modes that mainly used for calculating the learners' learning information in network...
A power-on-reset circuit of novel simple structure and high reliability is proposed. The circuit has been designed in 0.5 mum bipolar CMOS technology. The simulation was performed with 0.5 mum CSMC process model and Cadence Spectre and the results show that the circuit has a stable and reliable performance. With the differences of supply voltage's ramp rate, temperature and process, the change of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.