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1.How is the security of a firm's information system and data affected by its people, organization, and technology? Is the contribution of one of these dimensions any more important than the other? Why?

2.Differentiate between intangible and tangible benefits and list three examples of each. In what types of systems are intangible benefits more predominant?

3.What additional complexities are faced in global supply chains? How does the Internet help in managing global supply chains?

4.How are RFID systems used in inventory control and supply chain management?

5.What types of relationships are possible in a relational database? Describe and give an example of each.

6.Describe four types of applications that are especially well-suited for mobile-commerce.