企业信息化经济性问题研究

来源 :技术经济 | 被引量 : 0次 | 上传用户:fenglilong_liumang
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
企业信息化的过程是实现其管理信息系统的过程。企业管理信息系统的开发、使用、维护和管理等是一项复杂的系统工程,需要投入大量的人、财、物资源,需要各种硬、软件的支持,这些便构成了企业管理信息系统的成本,按信息系统生命周期来划分,信息系统成本可分为开发成本和运行/维护成本两大类。按构成信息系统成本的经济用途可以分为各种具体的成本项目。项目成本是指发生在各环节或用途的各项费用。针对信息系统成本的特点,信息系统的成本项目可分为以下10大类:①硬件购置费:主要指计算机及其相关设备,如不间断电源、空调器等费用。②软件购
其他文献
Registered Dietitian (RD) services as part of insurance wellness programs offer a promising potential venue for improving public health. This study was conducte
Database is a repository of information. In today’s world there are different types of databases available. In this present review the focus is on a few popula
Each eukaryotic cell of multicellular organisms must be able to maintain its integrity by sensing both external and internal stimuli. The primary goal of the ge
Background: The amounts of micronutrients in the diets of infants, and the factors that influence them needs to be monitored at the population level in order to
The “elimination” of chemical additives used in a wide variety of foods is demanded, while “natural” additives are seen as a benefit for both quality and sa
Protein-protein complexes play an important role in the physiology and the pathology of cellular functions, and therefore are attractive therapeutic targets. A