NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
APRIL 2019 EXAMINATION

Course Code: CIT 478

Course Title: Artificial Intelligence–

Course Unit:  (2 Credits)

Time: 2 hours

 Answer Question 1 and any other three (3) questions

1. (a) Explain the term Knowledge Representation (KR) and  List two  features  ( 6 marks)

    (b)  Outline four (4) fields that are linked or associated with AI (4 marks)

    (c) Describe Uninformed Search strategy and give two examples (4 marks)

    (d) List three (3) places where List Processing (LISP) can be applied (3 marks)

    (e)  Explain four (4) tasks that can be successfully performed by AI. (4 marks)

    (f) What do you understand by the term ‘Heuristic Search”? (4 marks)

2. (a) Distinguish between Machine – learning  algorithms and Hand produced rules (6 marks)

    (b) State five (5) basic characteristics of a good knowledge representation can cover (5 marks)

    (c) Explain the term “Agent “ in Artificial Intelligence. Identify three different environments where an Agent can operate on. (4 marks)

3 (a) Write short notes on the following

1. Robotics
2. Expert System
3. Backward chaining and Forward chaining (3 marks each)

  (b)  Outline four (4) advantages of an Expert System (4 marks)

  (c) Identify three features of an Agent (2 marks)

4. (a) What is an Intelligent Agent? List its characteristics. (7 marks)

    (b) Outline four (4) examples of Intelligent Agents (4 marks)

    (c) Briefly describe an artificial intelligence programming language you came across in this  course  (4 marks)

5(a) What is an Inference Engine? (3 marks)

(b) What is Knowledge Base? List types (6 marks)

(c) Outline three (3) different types of Expert system (3 marks)

(d)  List three sources of power for a Robot (3 marks)