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Summary Information Technology Theory
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These summaries provided the perfect solution to obtain all the necessary information without needing to open the book. These summaries cover the CAPS gr. 12 IT theory syllabus. Summaries perfect to use before starting with past papers. *Buy bundle for complete set

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  • November 23, 2024
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  • 2024/2025
  • Summary

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Module 3.3
Critical Computing
Computers and decision making
Decision Support Systems

 System designed to gather information from a wide range of sources, analyse it and
present it in summarized formats that aid in decision-making
Expert systems / Knowledge based systems

 Limited, rule-based form of AI where the expertise of humans are coded into a computer
system that can take input and arrive at a rule-based decision far more quickly than
most humans can
 Knowledge base: contains all the facts and rules
 The inference: logic that accepts data from the user
 Examples
 Medical diagnosis system
 Automatic pilot systems
 Agricultural crop management systems

Distributed computing
 System whereby resources of different computers are shared and used at the same time
to solve a single problem
 Genetic research
 Weather modelling
 Oil exploration
 Physics research
 Financial modelling

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