Throughout his business's expansion, Andrew Langston has had to meet several challenges-not the least of which was selecting and using information systems to keep his business competitive. Information systems have played a critical role in QuickBiz's history. You explore how Andrew met those challenges in the chapters of Part Two: In Chapter 4, "Business Hardware," you learn how to evaluate QuickBiz's hardware needs and determine whether it has used hardware resources wisely . In Chapter 5, "Business Software," you learn how to determine the types of software QuickBiz needs as it grows, adds employees and customers, and streamlines its business processes. In Chapter 6, "Business Networks and Telecommunications," you learn about the strategies OuickBiz uses to remain in constant contact with its messengers and customers-with the goal of improving its services . In Chapter 7, "Databases and Data Warehouses," you learn the importance of one of business's most powerful toolsdatabases-and see how OuickBiz uses database technology throughout its business operations.)