What is an information system? How does it work?

Define an information system and describe the activities it carries out. Mention and describe the dimensions of organization, administration and technology of information systems. Indicate the difference between data and information, and between illiteracy in information systems and computational illiteracy. Explain how the Internet and the World Wide Web relate to the other information systems technology components. Define complementary assets and describe their relationship with information technology. Describe the complementary social, managerial and organizational assets required to optimize the returns on investments in information technology. Describe how the functions of information systems support a company. Compare the roles of programmers, systems analysts, information systems managers, information director (CIO), security director (CSO), data director (CDO) and knowledge director (CKO). What is the role of the function of information systems in a company? What are the challenges imposed by strategic information systems and how should they be addressed? List and describe the managerial challenges imposed by the strategic information systems. Explain how to perform an analysis of strategic systems What ethical, social and political aspects do information systems generate? Explain how the social and political ethical aspects are connected; provide some examples. List and describe the key technological trends that enhance ethical aspects. Explain the differences between responsibility, accountability and legal responsibility.