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Advanced Human Computer Interaction Question Paper

Advanced Human Computer Interaction

Course:Bachelor Of Science In Entrepreneurship Studies

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2009

THIRD YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE IN INFORMATION TECHNOLOGY
ADVANCED HUMAN COMPUTER INTERACTION
DATE: DECEMBER 2009 TIME: 2 HOURS
INSTRUCTIONS: Answer question ONE and any other TWO questions
QUESTION ONE (Compulsory)
a) Describe the term user-centered design? (2 Marks)
b) Discuss how evaluation fits into a user-centered design lifecycle (3 Marks)
c) Describe two techniques for evaluation, highlighting their key points and the differences between
them (4 Marks)
d) Describe how extreme programming support user-centered design (3 Marks)
e) Name three physical input devices that can be used to perform selections? (6 Marks)
f) Briefly distinguish between perception and cognition. (4 Marks)
g) Explain why subjective satisfaction difficult to measure? (4 Marks)
h) Give two weaknesses of predictive texting? (4 Marks)
QUESTION TWO
a) The Beat Corporation has won a contract to develop the interface to a media player for digital
music in a range of formats, such as MP3 and WMA. In contrast to many of these applications, the
interface is being designed to support elderly users. Write a brief technical report for your project manager to describe how you would develop the detailed requirements for this interface. You must identify any potential problems that could affect your proposal (10 Marks)
b) Contrast the different problems that can arise when designers attempt to identify the requirements
for interactive systems from novice and expert users (10 Marks)
QUESTION THREE
a) Identify two different ways in which `functional ageing' can affect interface development.
(2 Marks)
b) Environmental factors can impair users' ability to recall information that is necessary to ooperate
complex, computer systems. Brielfy explain how such disruptions can impair both short-term AND
long-term memory. (6 Marks)
c) You have been asked to help in the development of a new computerised call centre. Customers
from a national Bank will ring up if they wish to change the details of their account. For instance,
they might want to open a new account, close an old account, they might want to change the
address of the person who owns the account and so on.
i) Briefly explain how you might use a number of different requirements elicitation
techniques to identify the potential usability problems that might arise for people working with
this new system. (8 Marks)
ii) Identify the principle strengths and weaknesses of each technique (4 Marks)
QUESTION FOUR
a) Discuss how the three types of human memory are related to HCI (6 Marks)
b) What is meant by chunking and how does chunking affect GUI design? (4 Marks)
c) Define the term conceptual model? (2 Marks)
d) What happens if the user's conceptual model does not match the designers conceptual model?
(4 Marks)
e) Discuss the term mapping in terms of UI design (4 Marks)
QUESTION FIVE
a) Based on your experience, give an example of a software tool (application) that allows significant interaction via direct manipulation.
i. Indicate your views on the positive and negative aspects of working with this tool. (10 Marks)
ii. Consider 6 of Nielsen’s 10 heuristics for evaluation and use them to analyze one of your preferred software tools. (6 Marks)
b) Discuss an example of an affordance in a real world, physical object and in a user interface.
(4 Marks)

Advanced Human Computer Interaction Question Paper

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