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信息系统是信息化发展的重要内容,它包括军用信息系统和民用信息系统两大类,信息系统种类繁多,结构复杂不胜枚举。信息系统的规划和建设又是长期的艰巨性的任务,因为要求提供的信息具有准确性、及时性、完整性。要求的信息系统具有高度的安全性、可用性、互通性、互操作性、经济性等。
Information system is an important part of the development of information technology. It includes two major categories, military information system and civil information system. There are many kinds of information systems and complex structures. The planning and construction of an information system is another long-term and arduous task because of the accuracy, timeliness and completeness of the information requested. The required information system has a high degree of security, availability, interoperability, interoperability, economy and more.