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Human Computer Interaction(Bbit 324) Question Paper

Human Computer Interaction(Bbit 324)

Course:Computer Information Systems And Business Information Technology

Institution: Kenya Methodist University question papers

Exam Year:2011

TIME : 2 HOURS

INSTRUCTIONS Answer Question ONE and any Other TWO Questions

Question 1
a) Define the following terms as used in the study of human computer interaction;
i) Human computer interaction
ii) Usability
iii) Ergonomics
iv) Visibility
v) Affordance
vi) Cognition (6marks)
b) HCI is the belief that people using a computer system should come first. Briefly discuss why this is necessary. (4marks)
c) State the four major components in an interactive system (4marks)
d) What is the role of human computer interaction (2marks)
e) Norman (1993) distinguishes between two general modes of cognition. Discuss (4marks)
f) Differentiate between real affordance and perceived affordance as relates to the design of physical objects (2marks)
g) Explain the importance of usability in the design of interactive systems (2marks)
h) The choice of input device should contribute as positively as possible to the usability of the system. Discuss briefly any three characteristics of a good input device (6marks)

Question 2
a) Explain the four main factors affecting usability (8marks)
b) Discuss the four stages of designing and evaluation strategy (12marks)

Question 3
a) Define task analysis and its purpose in HCI (3marks)
b) With illustrations, discuss the three different approaches to task analysis (9marks)

Question 4
a) Nielsen (1993) identified five attributes that contribute to usability. Discuss (10marks)
b) Shneiderman (1998) identified eight golden rules of interface design. Discuss any five (10marks)

Question 5
a) Discuss briefly any four interaction styles used in HCI (8marks)
b) Constraining refers to determining ways of restricting the kind of user interaction that can take place at a given moment. With relevant examples, describe the three main categories of constraints as classified by Norman (6marks)
c) Interaction paradigm refers to a particular philosophy on way of thinking about interaction design. Discuss any three interaction paradigms in HCI (6marks)

Human Computer Interaction(Bbit 324) Question Paper

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