easykeis.pdf

EASY 1. What is an explicit belief? A) A belief that is inferred B) A belief that is directly represented in the knowledge base C) A belief that is hidden D) A belief that is irrelevant Correct Answer: B) A belief that is directly represented in the knowle...

EASY 1. What is an explicit belief? A) A belief that is inferred B) A belief that is directly represented in the knowledge base C) A belief that is hidden D) A belief that is irrelevant Correct Answer: B) A belief that is directly represented in the knowledge base 2. What is the role of the knowledge base in a KBS? A) To process data B) To store a collection of information C) To create user interfaces D) To analyze data Correct Answer: B) To store a collection of information 3. Which part of a rule in a KBS lists a set of conditions? A) THEN part B) IF part C) ELSE part D) AND part Correct Answer: B) IF part 4. What does the 'IF' statement in a rule-based system represent? A) The conclusion B) The premise or condition C) The decision outcome D) The exception to the rule Correct Answer: B) The premise or condition 5. What is a characteristic of explicit beliefs? A) They are difficult to access B) They are clearly defined and stored within the system C) They are always inferred D) They are irrelevant  Correct Answer: B) They are clearly defined and stored within the system 6. What type of system uses case-based reasoning? A) Expert systems B) Case-based systems C) Rule-based systems D) Blackboard systems Correct Answer: B) Case-based systems 7. What is one advantage of knowledge-based systems? A) They are always reliable B) They provide explanations of solutions C) They are inflexible D) They lack expert knowledge Correct Answer: B) They provide explanations of solutions 8. What is the purpose of the inference engine in a KBS? A) To store data B) To process and locate data based on requests C) To create user interfaces D) To input new information Correct Answer: B) To process and locate data based on requests 9. What is the purpose of a knowledge base in a KBS? A) To perform arithmetic operations B) To store facts and rules C) To design the user interface D) To manage memory resources Correct Answer: B) To store facts and rules 10. What is the main source of empirical knowledge? A) Memory B) Perception C) Introspection D) Testimony  Correct Answer: B) Perception 11. Which of the following is a type of knowledge-based system? A) Database systems B) Expert systems C) Spreadsheet systems D) Word processing systems Correct Answer: B) Expert systems 12. What is the probability of drawing a King from a standard deck of cards? A) 1/52 B) 4/52 C) 1/13 D) 3/52 Correct Answer: B) 4/52 13. Which of these is an example of a declarative programming language often used in KBS? A) Python B) Prolog C) Java D) C++ Correct Answer: B) Prolog 14. What is the total number of days recorded in the weather dataset? A) 10 B) 14 C) 15 D) 12 Correct Answer: B) 14 15. According to Bayes' theorem, which of the following is NOT a component used to calculate P(B|A)? A) P(A|B) B) P(B)  C) P(A) D) P(A|C) Correct Answer: D) P(A|C) 16. What is the first step in the resolution process? A) Convert FOL statements into CNF B) Negate the statement to be proved C) Draw resolution graph D) Conversion of facts into first-order logic (FOL) Correct Answer: D) Conversion of facts into first-order logic (FOL) 17. In first-order logic, what is the standard method to eliminate existential quantifiers during the resolution process? A) Universal instantiation B) Existential instantiation C) Skolemization D) Unification Correct Answer: C) Skolemization 18. Which of the following is NOT a characteristic of a knowledge-based system? A) It uses knowledge representation. B) It has a user interface. C) It automatically upgrades hardware. D) It includes an inference engine. Correct Answer: C) It automatically upgrades hardware. 19. What does the 'THEN' part of a rule indicate in a rule-based system? A) The condition to be tested B) The action to be taken if the condition is true C) The reason for the rule D) The initial assumption Correct Answer: B) The action to be taken if the condition is true 20. In the context of SAT solvers, what does "satisfiable" mean? A) The formula is always true B) There exists a variable assignment that makes the formula true C) The formula is always false D) The formula has no variables Correct Answer: B) There exists a variable assignment that makes the formula true