PN 2011: MISUpdated on the 25th of Nov 2010

Information Systems?

Empower business processesElectronic commerceCollaboration within a companyReengineer

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

Expert SystemsKnowledge Management SystemsStrategic Information SystemsFunctional Business Systems

EfficiencyEffectiveness

Set of interrelated componentsClearly defined boundaryWorks togetherAchieves a common set of objectives

Accepts inputs and produces output

Input, Processing, Output

Self-monitoring and regulating system

Feedback (data) & Control (does it meet target?)

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-