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NSWInformation Processes and Technology

Option: Decision Support Systems

2 dot points across 2 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How do data warehouses, data mining, OLAP and expert systems extend a decision support system?

Describe data warehousing, data mining, online analytical processing, expert systems and group decision support systems, and how they analyse stored data to support decisions
A focused answer to the HSC Information Processes and Technology option dot point on data warehousing, data mining, OLAP, expert systems and group DSS. How each analyses data to support decisions, with the traps markers look for.
6 min answer →

How do decision support systems help people make decisions and what tools and models do they use?

Describe the characteristics of decision support systems, including modelling, what-if analysis and the tools used, and compare them with expert systems
A focused answer to the HSC Information Processes and Technology option dot point on decision support systems. Models, what-if analysis, spreadsheets and OLAP, the difference from expert systems, and the traps markers look for.
6 min answer →