Chapter9Unlocked

Chapter9Unlocked - Exam Name_

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Exam Name___________________________________ TRUE/FALSE. Write ʹ T ʹ if the statement is true and ʹ F ʹ if the statement is false. 1) A business intelligence system is designed to provide the right information, to the right user, at the right time. 1) 2) A terabyte is larger than a petabyte in terms of computer storage. 2) 3) The total contents of the Library of Congress could be stored in one terabyte. 3) 4) Tools used to mine business data in order to find meaningful patterns are called business insight (BI) tools. 4) 5) Reporting tools are programs that read data from a variety of sources, process that data, format it into structured reports, and deliver those reports to the users who need them. 5) 6) Reporting tools are used to address questions like: What has happened in the past? What is the current situation? How does the current situation compare to the past? 6) 7) Data - mining tools use heuristic techniques to process data to find hidden patterns and relationships among the data. 7) 8) In most cases, data - mining tools are used to make assessments. 8) 9) Reporting tools tend to use simpler operations while data - mining tends to use more sophisticated statistical techniques. 9) 10) Knowledge - management tools differ from reporting and data - mining tools because the source of their data is recorded facts and figures. 10) 11) A business intelligence (BI) application is a computer program that implements the logic of a particular procedure or process. 11) 12) Reporting tools produce information from data using five basic operations: sorting, grouping, calculating, filtering, and formatting. 12) 13) RFM analysis considers how recently (R) a customer ordered, how frequently (F) they ordered, and how much margin (M) the company made on the orders. 13) 14) RFM can be a useful tool to determine who your best customers are, and who hasn ʹ t been into the store in a while. 14) 15) OLAP stands for Organizational Lead Analysis Program and is used extensively to generate reports for marketing and sales. 15) 1
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16) OLAP provides the ability to sum, count, average, and perform other simple arithmetic operations on groups of data. 16) 17) In an OLAP report, a measure is the data item of interest. 17) 18) Total sales, average sales, and average cost are examples of dimensions used in an OLAP report. 18) 19) An OLAP cube and an OLAP report are the same thing. 19) 20) A drawback associated with OLAP reports is their inability to let users drill down into the data. 20) 21) DBMS servers are used to create OLAP reports from very large databases. 21) 22) Normally, for performance and security reasons the OLAP server and the DBMS run on separate servers. 22) 23) MOLAP and DOLAP are examples of OLAP server schemes. 23) 24) Data mining is the application of statistical techniques to find patterns and relationships among data for classification and prediction. 24)
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This note was uploaded on 04/10/2011 for the course BCIS 3610 taught by Professor Koh during the Spring '08 term at North Texas.

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Chapter9Unlocked - Exam Name_

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