BIT 4405 EXPERT SYSTEMS KCA Past Paper

UNIVERSITY EXAMINATIONS: 2012/2013
EXAMINATION FOR THE BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY
BIT 4405 EXPERT SYSTEMS
DATE: AUGUST, 2013 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and Any Other TWO Questions

QUESTION ONE
a) Describe the following concepts. [10 marks]
i) knowledge-based system
ii) Artificial Intelligence
(c) Expound on the expert system development stages [12 marks]
b) Discuss the main characteristics of artificial intelligence. [8 marks]
QUESTION TWO
a) Discuss the stages involved in evolution of Artificial Intelligence. [12 marks]
b) Artificial intelligence is widely used in expert systems. Explain the features of a
good expert system. [8 Marks]
QUESTION THREE
a) Expert system can be used to perform many functions and make work easier.
Examine the type of functions that can be facilitated by expert systems. [8 marks]
b) Using a well labeled diagram, explain the components of expert system.
[12 marks]
QUESTION FOUR
a) Describe the different ways of representing human knowledge in expert systems
[12 marks]
b) Using examples explain the different between forward chaining and backward
chaining. [8 marks]
QUESTION FIVE
a) Differentiate between inference and explanation. [4 marks]
b) Describe the recognize-act cycle as facilitated by the inference engine.
[7 marks]
c) Discuss any three different areas of application of a Bayesian system. [9 marks]

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