Define TPS & DSS, and explain how an organisation can use these systems to make decisions and gain competitive advantages
A TPS is a Transaction Processing System. This records transactions within a business such as an EFTPOS machine. A DSS is a Decision Support System. This allows managers to make strategic decisions based on data. By doing this businesses can gain competitive advantages because they are able to see where their strengths and weaknesses lie.
Describe the three quantitative models typically used by decision support systems.
Sensitivity analysis: model that looks at what will happen to the overall result when a variable is changed
What if analysis: model that tests the impacts of an assumption on the proposed solution
Goal seeking analysis: model that helps determine how to make x profit- how many units need to be sold
Describe a business processes and their importance to an organisation.
A business process is a standardised set of activities that accomplish a specific task. A business process is important to an organisation because it helps the way that the business functions and gives the business purpose
Compare business process improvement and business process re-engineering.
Business process inprovement: Looks at current processes and and makes small improvements or changes. While business re-engineering assumes that all business processes are no longer needed
Describe the importance of business process modelling (or mapping) and business process models.
Business process modelling is the activity of creating a detailed flowchart or process map of a work process, showing its inputs, task and activities in structured sequence. A business process model is a graphic description of a process showing the sequence of process task. Business process modelling and business process models are important because they help to expose process detail in a controlled matter, encourage conciseness and accuracy, focus attention and provide an analysis.
All answers came from Business Driven Information Systems (Baltzan, Phillips, Lynch, Blakey)
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