Answered: 1. What does the word “processing” in…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. What does the word “processing” in data pro- cessing mean? -Give three examples in which raw data also serves as useful information. -Give three business examples (not mentioned in the text) of data that must be processed to provide useful information. 4. Give three examples of subsystems not operat- ing in the context of IT. Why are these consid- ered subsystems and not systems? 5. How do TPSs and DSSs differ? 6. What is a problem? Give an example of a busi- ness problem and discuss how a computer- based information system could solve it. 7. What is synergy? How is synergy accomplished when a person uses a computer? Explain the connection between synergy and increased productivity. 8. “An information system consists of hardware and software.” Why is this statement inadequate? 9. In which situations does one need to make a decision? Give three examples not mentioned in the chapter. 10. How can a DSS help make decisions? 11. Note the word “support” in decision support systems. Why are these applications not called decision-making systems? 12. Who is considered a knowledge worker? Will you have a career as a knowledge worker? Explain. 13. What is the most prevalent type of information system? Why is this type of IS so ubiquitous? 14. TPSs are usually used at the boundaries of the organization. What are boundaries in this context? Give three examples of boundaries. 15. Among IT professionals, the greatest demand is for network administrators and analysts. Why?

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