Achieving Efficiency and Effectiveness through Systems

This chapter discusses the four components of information systems and the role information technology plays in business. Read it to gain a basic understanding of these two critical topics, then attempt the two case studies and answer the questions that accompany each case.

Learning objectives

  • understand the differences between information systems and information technology
  • be able to identify the four components of information systems
  • understand the relationships between the four components of information systems
  • understand the reasons for having an information system
  • be able to assess the value of information systems from the financial as well as managerial points of view


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