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:                   CIT811                              

Course Title:                    User Interface Design and Ergonomics

Course Credit                  Unit: 3

Time Allowed:                 3 Hours

Instruction:                      Answer Question 1 and any other four questions

Question 1

(a)         Outline the four major considerations of user-centered design (4 marks)

(b)         Mention the three main fidelity types   (3 marks)

(c)          List four stages involved in usability testing   (4 marks)

(d)         List three types of motor skills    (3 marks)

(e)         State four goals of Human Computer Interaction   (4 marks)

(f)          Mention any four forms of efficiency in ergonomics    (4 marks)

Question 2

(a)         List eight types of user interfaces   (8 marks)

(b)         What is menu selection?  (2 marks)

(c)          State two advantages of menu selection   (2 marks)

Question 3

(a)         Explain briefly any three aspects of Ergonomics  (6 marks)

(b)         State four major concepts of usability design  (6 marks)           

Question 4

(a)         List and briefly describe any six (6) examples of object-oriented user interface (6 marks)

(b)         There are three pillars to an application’s success. Name them  (3 marks)

(c)          Enumerate any three main benefits of ergonomics (3 marks)

Question 5

(a)         Outline any six characteristics that must be included in human computer interaction  (6 marks)

(b)         Briefly discuss any six (6) Nielsen and Molich's Nine Heuristics   (6 marks)

Question 6

(a)         Define the loop of interaction?  (2 marks)

(b)         Discuss the components of the loop of interaction (6 marks)

(c)          Explain the Human processor model   (4 marks)