NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JUNE/JULY 2013 EXAMINATION

COURSE CODE:                                                                              CIT478                

COURSE TITLE:                                                                             Artificial Intelligence

TIME ALLOWED:                                                                          2 Hours

INSTRUCTIONS:                                                                            Answer any Four (4) Questions

Q1.a     Explain the term “Heuristic Search” using a local examples to support your explanation                                         (6 marks)    

      b.   Identify any five domains of AI                                                                                           (10marks)

      c.    Mention and explain any three (3) areas of applications of a Natural Language         (9 marks)    

Q2.a     Explain the term “Inference Rules “                                                                                                (7 marks)

      b.   What is a Turing Test in AI? Use a diagrammatic example to illustrate the concept                                                             (10 marks)

      c.    Mention and explain four (4) features of Knowledge Representation Language         (8 marks)

Q3.a     What is an Expert System?                                                                                                  (7 marks)

      b.   List and explain (3) types of Expert Systems                                                                    (9 marks)

      c.    Mention three (3) disadvantages of an Expert system.                                                    (9 marks)       

Q4.a     Explain the word ROBOTICS and list its three (3) Components.                                                 (8 marks)

      b.   List any five (5) types of Robots you know, stating the area of application.                 (8 marks)

Q5.a     Describe a Goal Directed Agent with a diagram.                                                               (5 marks)

      b.   List any four (4) types of AI search                                                                                                (8 marks)

      c.    List any three areas where LISP has been used.                                                               (4 marks)

Q6.a     Explain Knowledge Representation in terms of the distinct roles it plays.                   (3.5 marks)

      b.   Give the full meaning of the following acronyms:                                                                         (10 marks)

(i)        ANS                 (ii)       OWL                (iii)      RDF                 (iv)      GIGO

(v)       ALVINN          (vi)      UCS                 (vii)     LDS                 (iii)      KBS    

(ix)      FOL                 (x)       IPL

      c.    List five (5) things which AI systems can NOT do yet?                                                     (10 marks)