Information Systems Chapter 1 Review Questions 1-17

1279 words 6 pages
Chapter 1 Review Questions 1-17 on page 38

1. What is information system? What are some ways information systems are changing our lives?
By definition, Information System is a set of interrelated components that collect, manipulate, store, and disseminate data and information and provide feedback mechanism to meet an objective. There are so many ways that information systems are changing our lives both in our personal lives and in the businesses and corporations that are around us. For example personally, I pay my SRP (Electric Bill), Utilities (Water, Trash, and Sewer), Cox Communications (internet), and check my bank account through Bank of America all online. This is done through the Information Systems that are available to
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Its components are the following:
 Data
 Transformation process (applying knowledge by selecting, organizing, and manipulating data)
 Information 9. What is a computer-based information system? What are its components?
Computer-based information system (CBIS) is a single set of hardware, software, databases, telecommunications, people, and procedures that are configured to collect, manipulate, store, and process data into information. Its components are the following:
 Hardware
 Software
 Telecommunications
 People
 Databases
 Procedures
10. Describe the characteristics of a decision support system.
The main focus of decision support system is making effective decisions. In a nutshell, decision support system (DSS) is an organized collection of people, procedures, software databases, and devices used to support problem-specific decision making. It goes beyond the traditional method by providing immediate assistance in solving problems.
11. What is the difference between an intranet and an extranet?
Intranet is an internal network based on Web technologies that allows individuals within an organization to exchange information and work on projects. AN example would be my VPN connection with my employer. An extranet is a network based on Web technologies that allows selected outsiders, such as business partners and consumers, to

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