Exam 17: Managing Information in a Global World

Why do the large majority of companies now use intranets?

A data warehouse stores raw data that have been collected from a variety of sources for later use.

What does it mean when someone says that an organization protects its information? Why is it important? What are the basic steps to properly securing data and data networks?

What are the two basic methods of capturing information?

What is the key to sustaining a competitive advantage?

Which type of personal computer security measure would salespeople who are on the road dealing with customers' questions want the company to use? Why?

What benefit do companies receive from using a decision support system (DSS)?

According to which of the following rules will the cost of computing drop by 50 percent as computer-processing power doubles every 18 months?

What is the goal of an executive information system (EIS)?

Data mining typically splits a data set in half,finds patterns in one half,and then tests the validity of those patterns by trying to find them again in the second half of the data set.

Which of the following is an example of a security problem that may threaten data and data networks?

The term data mining refers to the process of discovering unknown patterns and relationships in large amounts of data.

Raw data contain useful information that communicates a clear and readily understandable message to the person for whom the data were gathered.

Most expert systems work by using a collection of "if-then" rules to sort through information and recommend a course of action.

What is data mining? Describe the two kinds of data mining.How can data mining be used to invade the privacy of individuals,given the large amount of data that is collected and stored electronically on people in their everyday transactions?

Three major types of information technology are used by executives,managers,and workers inside the company to access and share information.They are executive information systems,intranets,and portals.

Where does data reside for data mining?

Why do companies use intranets?

What occurs in data mining when two or more database elements occur together in a significant pattern,with one of the elements preceding the other?

Narrative 17-1 Internet research firm Jupiter Communications estimates that 47 percent of teens use the Net. In 1999, an entrepreneur developed Kibu.com as an online fashion magazine for girls between the ages of 13 and 18. The messages from Kibu's advertisers were tailored for, and intriguing to, a teenage audience. Revenue came from companies that sponsored various channels and features on the site, such as the Fashion Channel. Kibu had a loyalty program, the kPoints xChange, which gave site visitors an incentive to communicate with the site and its sponsors. Each time they did, they earned points that could be exchanged for merchandise, such as CDs, movie tickets, or beaded jewellery. Visitors who filled out surveys could win one of the 10,000 Kibu Boxes. Box recipients got still more points if they went to the Box Channel and filled out forms telling one to three of the participating companies how they liked the products inside. By September 2000, however, the site closed, and its founders returned remaining start-up capital to investors. -Refer to the Narrative 17-1.Kibu.com collected survey information for itself and its sponsors,and then looked for behaviour patterns that could provide useful market information for its advertisers.What was Kibu engaged in?