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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:2010

TIME : 2 HOURS
INSTRUCTIONS Answer Question ONE and any Other TWO Questions

Question 1
a) Describe the goals of HCI (4marks)
b) Define the term metaphor as used in HCI (2marks)
c) Discuss the following Computer user interface:
i) GUI interfaces.
ii) WIMP Interfaces
iii) Menu
iv) Command (8marks)
d) Explain how the use of colour in computer screen displays can affect user efficiency (6marks)
e) Usability is critical in evaluating information system. Explain how you can evaluate usability of an information system (10marks)

Question 2
a) Explain, using examples, the relationship between principles and rules for interface design. (4marks)
b) Explain, using a number of examples, the principles of:
i) visibility
ii) affordance (4marks)
c) Critically evaluate the contribution of the Model Human Processor to HCI. (6marks)
d) List three disciplines which recognize and use HCI for effective and efficient use of the technology in their operations (3marks)
e) Discuss the significance of the theory of mental models for interface design (3marks)

Question 3
a) Explain how the following factors could be considered and put in practice when developing a computer system in the organization (20marks)
i) Organization factors
ii) Environmental factors
iii) User Interface
iv) Task Factors
v) Constraints factors
vi) System functionality
vii) Productivity Factors

Question 4
a) Compare the constructivist and ecological theories of perception and give examples of how each has influenced interface design (4marks)
b) Describe the way in which a usability specification could be designed for a spreadsheet application. (6marks)
c) Discuss the different types of organisation and associated navigation structures used in web site information architecture. (10marks)

Question 5
a) A rugby club wishes to create an information site for its fans. The site should provide information on players, fixtures, results and club news.
i) Explain the way in which the Elements of User Experience approach could be used in the design of the site. (5marks)
ii) A small company with limited resources wishes to evaluate the usability of their web site. Discuss the approaches which could be taken in evaluating their site. (5marks)
b) A public transport authority is planning to introduce a new computer system which will allow passengers to obtain information and buy tickets from special machines in bus and railway stations.
i) Justify the selection AND rejection of common types of input and output devices for the system. (8marks)
ii) Explain the types of user support which might be required for the system. (2marks)

Question 6
Systems should be designed to help users form the correct productive mental models. Explain the following Common design methods (20marks)
? Simplicity
? Affordance
? Familiarity
? Availability
? Flexibility.
? Feedback

Human Computer Interaction(Bbit 324) Question Paper

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