ICT Theory A2 How organisations use ICT 2 (Part 1) Exam Questions With Answers Well Defined A+ Score.

9 fields that use expert systems in organisations (5a) (syllabus) - correct answer mineral prospecting, investment analysis, financial planning, insurance planning, car engine fault diagnosis, medical diagnosis, route scheduling for delivery vehicles, plant identification, animal identification The function that expert systems provide when used in mineral prospecting (5a) (syllabus) - correct answer producing probabilities from given data (i.e. interpreting prospecting data) One way in which expert systems are used in insurance planning (5a) (syllabus) - correct answer Deducing future events from current data (done through prediction) Ways expert systems are used in animal identification (5a) (syllabus) - correct answer producing possible solutions from given data (possible solutions are presented all through the diagnosis) Hardware | Expert system (5a) (syllabus) - correct answer computer, laser printer Software requirements for running/using an expert system (5a) (syllabus) - correct answer knowledge base editor, inference engine A computer system that emulates the decision-making ability of a human expert. They are designed to solve complex problems by reasoning about knowledge, represented primarily as if-then rules rather than through conventional procedural code. - correct answer expert system The two sub-systems that make up an expert system. - correct answer inference engine, knowledge base The name for the data or facts gathered from many different experts that is used in the inference engine of an expert system - correct answer knowledge base A set of rules that an inference engine uses (expert system) - correct answer rules base An engineer that collects information and knowledge from subject specialists when employed to create an expert system. - correct answer knowledge engineer Two things which a knowledge engineer designs (in an expert system) - correct answer knowledge base, rules base Four parts that make up the interaction part of an expert system - correct answer user interface, explanation system, inference engine, knowledge base editor Two parts that make up the knowledge base of an expert system - correct answer facts (data), rules base Advantages of an expert based system - correct answer reduces the time taken to solve a problem, is more accurate than a single expert as it is based on the knowledge of many experts, improves customer/patient service, saves companies money, can allow a firm to hire a less skilled workforce Disadvantages of an expert based system - correct answer cost a lot to set up, the users will need training in how to use it (this takes time and money), system will need continuously updating (may become temporarily out of use), in certain situations there may need to be one in every garage/branch/surgery/ect... 5 fields that use sensors for monitoring and measurement (5b) (syllabus) - correct answer medical applications, weather monitoring, climate monitoring, monitoring environment, scientific experiments Physical variables that sensors can pick up during monitoring and measurement (5b) (syllabus) - correct answer temperature, pressure, humidity, moisture, light level, sound level