Abstract

Information edge and 3rd millennium predisposed so many of revolutions. Business organization with emphasize
on information systems is try to gathering desirable information for decision making. Because of comprehensive
change in business background and emerge of computers and internet, the business structure and needed
information had change, the competitiveness as a major factor for life of organizations in information edge is
preyed of information technology challenges. In this article we have reviewed in the literature of information
systems and discussed the concepts of information system as a strategic tool.

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