NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND
SCHOOL OF SCIENCE & TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
Course Code: CIT 474 Time: 21/2 hrs.
Course Title: Introduction to Expert Systems Course Credit Unit: 2
Instruction: Answer any four (4) questions.
QUESTIONS
1a. Outline the steps involved in designing and building a rule engine. (111/2 marks)
1b. State two (2) typical ‘Rule Actions’ in expert systems. (6 marks)
[Total = 171/2 marks]
2a. In the context of expert systems, describe the notion of ‘Blackboards’ by means of a well-labelled diagram.
[Total = 171/2 marks]
3. Give the precise roles of the following in the event that they relate to expert systems:
Domain Expert ) 5 marks
System Engineer ) 5 marks
User ) 21/2 marks
Knowledge Engineer ) 5 marks
[Total = 171/2 marks]
4a. Following from the principle of interactivity, state any four (4) means of interacting in expert systems. (12 marks)
4b. Expert systems are said to be cost-effective compared to human experts. Give three (3) good reasons for this. (51/2 marks)
[Total = 171/2 marks]
5a. Explain the technique for the automatic generation of Rule Translation using a well-labelled diagram for your illustration.
[Total = 171/2 marks]
6a. Give a concise definition of the following in expert systems:
i. Explanation facility (3 ½ marks)
ii. Working memory (4 marks)
6b. Identify any five (5) benefits of expert systems. (10 marks)
[Total = 171/2 marks]
You can get the exam summary answers for this course from 08039407882
Check anoda sample below
