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Uptime is very important with any computer system, because a solution which is not available cannot be relied upon to provide accurate information in a timely and routine manner — usually resulting in the loss of time, revenue, or data. Highly-available systems and websites rely on eliminating single points of failure, and on reacting quickly to any network, hardware or software issues which may occur...
This paper presents a combination of programming languages and web technologies used to deploy a modern remote controlled system. The hardware part of the system is a parallel port interface board that contains different types display devices, user-input components and some relays. The system functionality is based on some software applications developed using different techniques: the communication...
This paper proposes some methods aimed at increasing the access to information databases. The paper is divided into three parts. The first part introduces the current state of access to databases in our university. The second part presents a short survey regarding the authentication methods offered by the most preeminent content providers, while the third part of the paper presents some methods to...
This paper presents an architecture and a field implementation for a flexible and scalable distributed access control and management system, with application to the educational environment. The distributed control modules are developed based on embedded systems. Embedded systems are becoming increasingly common due to the fast deployment of advanced microcontrollers offering high processing speeds...
In order to solve the serious problem of high energy consumption in large public buildings and government office buildings, this paper develops the monitoring system of building energy consumption (MSBEC), which could monitor not only energy consumption data, but also energy quality. Firstly, this paper designs the hardware subsystem with three-layer structure. At the information center layer, four...
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