Operations Support Systems Transaction processing systems (batch, online)
Process control systems Enterprise collaboration systems
Management Supports Systems Management Information Systems Decision Support Systems Executive Information Systems
Set of interrelated componentsClearly defined boundaryWorks togetherAchieves a common set of objectives
Accepts inputs and produces output
Input, Processing, Output
Data? is information that has been translated into a form that is more convenient to move or process. Relative to today's computers and transmission media, data is information converted into binary digital form.
Information? I will define Information as a set of data that have been processed in a specialized format for decision-making.
Input of data resources Data entry activities
Processing of data into information Calculations, comparisons, sorting, and so on
Output of information products Messages, reports, forms, graphic images
Storage of data resources Data elements and databases
Control of system performance Monitoring and evaluating feedback
eCourier, Cablecom, and Bryan Cave: Delivering Value through Business Intelligence
Q1: How do IT contribute to the business success of the companies? Provide an example from each company explaining how the technology implemented led to improved performance.
Q2: Cablecom developed a prediction model to better identify those customers at risk of switching to other company in the near future. In addition to those noted in the case, what other actions could be taken if that information were available? Give some examples of these. Would you consider letting some customers leave anyway? Why?
-End of lecture-