Artificial Intelligence Multiple Choice Questions on “Rule Based System – 1”.
1. Instead of representing knowledge in a relatively declarative, static way (as a bunch of things that are true), rule-based system represent knowledge in terms of___________ that tell you what you should do or what you could conclude in different situations.
a) Raw Text
b) A bunch of rules
c) Summarized Text
d) Collection of various Texts
Answer: b
Clarification: None.
2. A rule-based system consists of a bunch of IF-THEN rules.
a) True
b) False
Answer: a
Clarification: None.
3. In a backward chaining system you start with the initial facts, and keep using the rules to draw new conclusions (or take certain actions) given those facts.
a) True
b) False
Answer: b
Clarification: Refer the definition of backward chaining.
4. In a backward chaining system, you start with some hypothesis (or goal) you are trying to prove, and keep looking for rules that would allow you to conclude that hypothesis, perhaps setting new sub-goals to prove as you go.
a) True
b) False
Answer: a
Clarification: None.
5. Forward chaining systems are _____________ where as backward chaining systems are ___________
a) Goal-driven, goal-driven
b) Goal-driven, data-driven
c) Data-driven, goal-driven
d) Data-driven, data-driven
Answer: c
Clarification: None.
6. A Horn clause is a clause with _______ positive literal.
a) At least one
b) At most one
c) None
d) All
Answer: b
Clarification: Refer to the definition of Horn Clauses.
7. ___________ trees can be used to infer in Horn clause systems.
a) Min/Max Tree
b) And/Or Trees
c) Minimum Spanning Trees
d) Binary Search Trees
Answer: b
Clarification: Take the analogy using min/max trees in game theory.
8. An expert system is a computer program that contains some of the subject-specific knowledge of one or more human experts.
a) True
b) False
Answer: a
Clarification: None.
9. A knowledge engineer has the job of extracting knowledge from an expert and building the expert system knowledge base.
a) True
b) False
Answer: a
Clarification: None.
Global Education & Learning Series – Artificial Intelligence.