Knowledge-Based Systems Quiz

What does the inference engine do in a knowledge-based system?

• Stores data permanently

• Uses knowledge to derive new information

• Manages user interactions

• Acquires new knowledge

Which method involves deriving new sentences from existing ones by applying rules?

• Forward chaining

• Backward chaining

• Resolution

• All of the above

What is meant by "inferential adequacy" in knowledge representation?

• The ability to store large amounts of data

• The ability to make sound and complete inferences from existing knowledge

• The ability to represent knowledge in a user-friendly manner

• The speed at which inferences can be made

In a production system, how is knowledge typically represented?

• As a database of facts

• As a collection of production rules (if-then statements)

• As a series of algorithms

• As a neural network

Which component is essential for a knowledge-based agent?

• Knowledge base

• Actuator

• Sensor

• All of the above

What type of reasoning do logical agents primarily use?

• Inductive reasoning

• Deductive reasoning

• Abductive reasoning

• Analogical reasoning

Which of the following best describes a propositional logic statement?

• It can express relationships between objects.

• It can represent facts that can be true or false.

• It requires quantifiers for variables.

• It is always more complex than first-order logic.

What is a key limitation of propositional logic compared to first-order logic?

• Propositional logic cannot represent relationships between objects.

• Propositional logic is more complex than first-order logic.

• Propositional logic requires more computational resources.

• Propositional logic uses quantifiers.

What does the symbol "∃" represent in first-order logic?

• For all

• There exists

• Implies

• Not

Which of the following statements is an example of a first-order logic expression?

• P → Q

• ∀x (Human(x) → Mortal(x))

• P ∧ Q

• ¬P