Chapter 4 Review Questions 9-15 (page 179)
9. Identify the two primary sources for acquiring application software.
 Application Service Provider (ASP)
 A company that provides software, support, and the computer hardware on which to run the software from the user’s facilities over a network.
 Software as a Service (SaaS)
 A service that allows businesses to subscribe to Web-delivered business application software by paying a monthly service charge or a per-use fee.
10. What is cloud computing? What are the pros and cons of cloud computing?
Cloud computing refers to the use of computing resources, including software and data storage, on the Internet (A Cloud) rather than on local computers.
Pros:
 Being able to easily
Freeware is software that is made available to the public for free, while Open-source software is software that is distributed, typically for free, with the source code also available so that it can be studies, changed, and improved by its users.

Chapter 4 Case 1 (pages 181 – 182) read case
*Read Case*

Complete discussion questions 1-2 and critical thinking questions 1-2.
Discussion Questions 1 - 2
1. Why did BlueStar decide to develop proprietary software rather than purchase off-the-shelf software?
The reason that BlueStar decided to develop proprietary software rather than purchase off-the-shelf software was because while many software packages are designed for utility companies, none met the unique requirements of BlueStar. They needed software that could accept input in various formats from its business partners systems and process it to provide BlueStar with useable information.
2. What advantages did open-source software and SOA provide to the development process?
The advantages that were provided to the company were that the infrastructure automates many of the tasks involved in negotiating with suppliers, partners, and customers. The module design of SOA allows developers to tweak the software to accommodate new needs as the market changes.
Critical Thinking Questions 1 – 2
1. Tom Keen believes that the open-source community is better at managing software bugs than commercial software vendors. Do you agree with his