(TPS) Transaction processing systems and (DSS) decision support systems are two of three common types of decision making information systems used in organisations today. Both systems use different models to assist in decision making, problem solving and opportunity capturing. An example of these systems in business is as follows. TPS – Analysts and DSS- Managers.
2) Describe three quantitative models typically used by decision support systems
A decision support system (DSS) models information to support managers and business professionals during the decision making process. The three quantitative models used by DSS include:
- Sensitivity analysis: The study of the impact that changes in one (or more) parts of the model. Users change the value of one variable repeatedly and observe the resulting changes in other variables.
- What if analysis: Checks the impact of a change in an assumption on the proposed solution. Users repeat this analysis until they understand the effects of various situations.
- Goal-Seeking analysis: Finds the inputs necessary to achieve a goal. Instead of observing how changes in a variable affect other variables as in what-if analysis, goal-seeking analysis sets a target value or a goal for a variable and then repeatedly changes other variables until the target value is achieved.
3) Describe a business processes and their importance to an organisation, outline and examine how they are used
A business process is a standardised set of activities that accomplish a specific task such as processing a customer’s order. The importance of a business process is significantly relevant to how the business runs and its outcome of success. Business processes transform a set of inputs into a set of outputs; otherwise known as goods and services for another person or process by using people and tools. Organisations are only as effective as their business process and by developing this it can logically help an organisation achieve its goals.
4) Compare business process improvement and business process re-engineering
Business Process Improvement attempts to understand and measure the current process and make performance improvements accordingly. Whereas Business Process re-engineering is the analysis and redesign of works from within and between enterprises. Unlike process Improvement, this relies on a different school of thought.
5) Describe the importance of business process modelling(or mapping) and business process models
Business Process Modelling (or mapping) is the activity of creating a detailed flowchart or process map of a work process, showing its inputs, tasks and activities in a structured sequence. Business process models are a graphic description of a process, showing the sequence of process tasks, which is developed for a specific purpose and from a selected viewpoint. Each process exposes process detail gradually and in a controlled manner and provides a powerful analysis and consistent design vocabulary.
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