Business Intelligence

Business Intelligence - M idterm Exam Top of Form Question...

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Midterm Exam Top of Form Question 1 Marks: 10 All phases of the decision making process can be supported by improved communication by __________ through group support systems and knowledge management systems. Choose one answer. A. shared computing B. collective computing C. collaborative computing D. group computing Question 2 Marks: 10 Learning algorithms specify the ________ by which a neural network learns the underlying relationship between input and outputs. Choose one answer. a. route b. process c. method d. direction
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Question 3 Marks: 10 Why has data mining gained the attention of the business world? Choose one answer. a. All of the above b. Significant reduction in the cost of hardware and software for data storage and processing c. Consolidation and integration of database records, which enables a single view of customers and vendors d. More intense competition at the global scale driven by customers' ever-changing needs and wants in an increasingly saturated marketplace Question 4 Marks: 10 The simple split methodology splits the data into two mutually exclusive subsets called a ________ set and a ________ set. Choose one answer. a. matrix; test b. positive; negative c. holdout; training d. training; test Question 5 Marks: 10
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What is a major characteristic of data mining? Choose one answer. a. The miner needs sophisticated programming skill b. Because of the large amounts of data and massive search efforts, it is sometimes necessary to use serial processing for data mining c. Data mining tools are readily combined with spreadsheets and other software development d. Data are often buried within numerous small large databases, which sometimes
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This note was uploaded on 05/09/2011 for the course BMGT 531 taught by Professor Lee during the Spring '11 term at Northern Virginia.

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Business Intelligence - M idterm Exam Top of Form Question...

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