Data Essay -- essays research papers

1. Data is something known or assumed. It is anything that fits into a DSS and is valuable. Three examples are grades for a class, a picture of wallpaper, or word of mouth about a new product or company. 2. Words, pictures, and numbers. 3. Information is acquired data that is derived from data and anything that is summarized in numerical or graphical. Information is used for "informing" some one about something. An example of information is a net income on a balance sheet, the average of grades for a class and a graph of how many people use a certain product. 4. Normative approach, subjective approach and realistic approach. The normative approach is when the DSS provides the information that a decision maker wants in order to make a particular decision. This states that the information should meet the guidelines for making the decision. The subjective approach is when the DSS has information that the designs thought would be useful. This does not mean that the information will be useful. The last approach, realistic, is when the designer asks if the decision maker will use this information or not. Each approach has its own useful data. The realistic approach is the better of all the approaches because it takes into account what the DSS will be used for and puts in the needed information. The other two approaches do not put in the information that is needed. 5. The characteristics of useful information is as follows: { Timeliness : information is up to date and st...