NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER/NOVEMBER 2014 EXAMINATION

COURSE CODE:                                                                              CIT 353                                                                               

COURSE TITLE:                                                                             Introduction to Human-Computer Interaction

DURATION:                                                                                     2½ Hours

INSTRUCTIONS:                                                                            Answer any Four Questions

Q1a.     How would you explain Human Computer Interaction to a layman?                              (3 marks)

      b.   Mention and explain three (3) advantages and two (2) disadvantages of the touch sensitive screen interface           (10 marks)

      c.    Mention three (3) health hazards that may likely exist as a result of interacting with the CRT      (4½ marks)

Q2a.     What is Knowledge Representation?                                                                                   (4 marks)

     b.    Describe the rule based, the frame based and the networked based techniques of Knowledge Representation.   (9 marks)

   c.     List any three types of prototype methods?                                                                    (4½ marks)

Q3a.     What are the major components of the web technology?                                                            (4marks)

     b.    Write short notes on the following:

(i)        Widgets

(ii)       Command Line

(iii)      Menus (3 marks each)

     c.     List and explain three (3) application software’s you know                                        (4½ marks)

Q4a.     What is the full meaning of the following acronyms?

(i)        PDAs               (ii)       CSCW              (iii)      WYSIWYG

(iv)      MMI                (v)       RAM                (vi)      CAD

(vii)     DVST              (viii)    GUI                                                                      (2 marks each)

     b.    What do you understand by principles of Robustness.                                                   (5 marks)     

     c.     Mention three (3) principles of Robustness                                                                    (4½ marks)

Q5a.     What are the major components of the web technology?                                                            (4 marks)

     b.    Write short note on the following:

(i)        Multimedia

(ii)       Animation

(iii)      Hypertext                                                                                               (3 marks each)

      c.    Mention any three (3) golden rules of the design                                                                      (4½ marks)

Q6a.     What do you understand by the expression Human Computer Interaction?                (3 marks)

     b.    Explain any 5 innovations relating to the history of paradigm shifts                            (10 marks)

     c.     Mention any three (3) scientific methods of conducting research in human-computer                                                                            (4½ marks)