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Mou11t Kenya
UNIVERSITY EXAMINATION 2019/
SCHOOL OF COMPUTING AND INFORMATICS
DEPARTMENT OF INFORMATION TECHNOLOGY
BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY
REGULAR
UNIT CODE: BIT4103 UNIT TITLE: HUMAN COMPUTER INTERACTION
DATE: DECEMBER 2019 MAIN EXAM TIME: 2 HOURS
INSTRUCTIONS: ANSWER ALL QUESTIONS IN SECTION A AND ANY OTHER
TWO FROM SECTION B
SECTION A (30 MARKS)
Question one (compulsory)
0 ;zrJ^ Define^ the^ term,^ Human^ Compu^ ter^ In^ terac.tio n(HG ).
., )11 State and explain FIVE goals of HCI.
1 ¢ Briefly discuss the following cognitive models as used in HCI: i. Model Human Processor(MHP) ii. Goals, Operators, Methods, Selection rules(GOMS)
~ Discuss the stages in the User centred Interface Development.
(1 Mark)
(5 Marks)
(8 Marks)
(6 Marks)
~ Briefly discuss the role of Human Computer Interaction in Software engineering. (3 Marks)
oft Explain prototyping citing two types of prototypes. (5^ Marks)
Paper One^1
:w. :PJ
@ Give two reasons why it is important to evaluate HCI designs.
(2 Marks)
SECTION B (Answer any TWO questions) Question 2(20 Marks) " ol} Explain any four types of User Interfaces citing an example in each. (8 Marks)
j'1 Describe the term usability and discuss the principles of usability according to Norman ~1. (8^ Marks)
4 Explain any two features of computer supported cooperative work _ / (CSCW) systems. (4 Marks)
Question 3(20 Marks) Q a) Write a short note on Ergonomics in Human Computer Interaction, citing the various Categories (8 Marks)
b) Give three reasons why it is important to evaluate HCI designs.
c) Discuss the following HCI evaluation techniques:
- Cognitive Walkthrough ii. Heuristic Evaluation
- Review-based evaluation
Question 4(20 Marks)
@ Explain an Interface Metaphor giving tw o Ex a1Y ip!^1 ,~r
jj Discuss the characteristics of a Direct Mani pu1a tion Interfa ce
(3 Marks)
(3 Marks) (3 Marks) (3 Marks)
(4 Marks)
(5 Marks)
fi Explain any three programming languages that can be used for User Interface Development (3 Marks)
-\ ® Explain any four types of User Interfaces in Human Computer Interaction. (8 Marks)
Paper One (^2)
