Unit 4.7 Expert Systems Quiz

What is the main feature of an expert system?

• Doesn't need to be updated

• Can fly a plane

• Can cook a meal

• Can reason with uncertain data

Which of the following is a component of an expert system?

• Registers

• Touchscreen

• Evaluation stage

• Knowledge base

What is the task domain in an expert system?

• The area of expertise that the system is not designed to work within

• The area of expertise that the system is not aware of

• The area of expertise that the system is learning about

• The area of expertise that the system is designed to work within

What is the purpose of the user interface in an expert system?

• To communicate with the user

• To store all the facts and rules it uses

• To apply the rules to make a deduction

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

• Works out a reasonable solution based on user answers

• Interacts with the user

• Stores the rules

What is the benefit of an expert system?

• Gets ill and goes on holiday

• Can't give accurate decisions

• Can only store limited knowledge

• Can store more knowledge than one person

What is a drawback of an expert system?

• Uses common sense in making decisions

• Cost

• No common sense used in making decisions

What is a drawback of menu-driven expert systems?

• Does not deal very well with ambiguous problems

• Deals very well with ambiguous problems

• Uses natural language processing effectively

• Learns from mistakes without user feedback

What is the role of the knowledge base in an expert system?

• Interacts with the user

• Stores the rules and facts

• Works out a reasonable solution based on user answers