problem1. There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role.
problem2. describe the ‘data warehouse’ and ‘data mining’ concepts using suitable exs.
problem3. E-Business has allowed for customer-centred retailing, that is, the removal of intermediate levels and allowing for customer self-service. Customer-centred retailing involves the following four elements: direct sales over web, interactive marketing and personalization, mobile commerce and customer self-service. describe each constituent with appropriate exs.
problem4. Information systems are becoming rising vulnerable to security breaches. describe with exs.
problem5. Classify the basic guidelines which managers can take to make the security of the information systems employed in their organizations.