ICT Application: Expert Systems and Online Retail Quiz

What is the main function of an expert system?

• Store music files

• Emulate human expertise in decision-making

• Send emails

• Create websites

Which of the following is NOT a component of an expert system?

• Inference engine

• Rules base

• User interface

• Graphic editor

What is the role of the inference engine in an expert system?

• Stores facts

• Displays the interface

• Applies rules to facts to draw conclusions

• Translates language

Which component of an expert system interacts with the user?

• Knowledge base

• User interface

• Inference engine

• Database

What does the knowledge base in an expert system contain?

• User passwords

• Data and images

• Expert knowledge and facts

• Transaction history

Expert systems are used in:

• Writing novels

• Diagnosing diseases

• Drawing pictures

• Controlling games

Which of these is an advantage of expert systems?

• Cannot be updated

• Always needs internet

• Offers consistent results

• Low accuracy

Which of these is a disadvantage of expert systems?

• Provide 24/7 support

• Expensive to set up

• Very fast response time

• User-friendly

Expert systems are best used when:

• Creativity is required

• Decisions are based on emotion

• Logic-based decisions are needed

• Artwork is needed

Results from expert systems are:

• Always wrong

• Often inconsistent

• Usually consistent

• Subjective