A number can be qualitative too: if I tell you my favorite number is 5, that is qualitative data because it is descriptive, not the result of a measurement or mathematical calculation.īy itself, data is not that useful. “Ruby Red,” t he color of a 2013 Ford Focus, is a n example of qualitative data. Quantitative data is numeric, the result of a measurement, count, or some other mathematical calculation. But I would have given you data.ĭata can be quantitative or qualitative. If I told you, “15, 23, 14, 85,” you would not have learned anything. Data, Information, and Knowledgeĭata are the raw bits and pieces of information with no context. Without data, hardware and software are not very useful! Data is the third component of an information system. Imagine opening a web browser but there were no web pages. Imagine if you opened a music player but there was no music to play. Imagine if you turned on a computer, started the word processor, but could not save a document. However, those two components by themselves do not make a computer useful. You have already been introduced to the first two components of information systems: hardware and software. If you are not required to use this edition for a course, you may want to check it out. Please note, there is an updated edition of this book available at. define data mining and describe its role in an organization.describe the characteristics of a data warehouse and.describe the role of a database management system.define the term database and identify the steps to creating one.describe the differences between data, information, and knowledge.Upon successful completion of this chapter, you will be able to:
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