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Human Computer Interaction Question Paper

Human Computer Interaction

Course:Computer Science

Institution: Kenya Methodist University question papers

Exam Year:2011

INSTRUCTIONS Answer Question ONE and any Other TWO Questions

Question 1

a) What are mental models, and why are they important in interface design. (6marks)

b) What can a system designer do to minimize the memory load of the user. (4marks)

c) Consider the following input devices

i) Keyboard

ii) Mouse

iii) Light pen

iv) Touch screen Discuss the above input devices and note down how each has different attributes that support certain forms of Interfaces (12marks)

d) Name and briefly describe the type of dialogue messages that are used to enhance HCI (8marks)

Question 2

a) Contrast the classical system development process and user centered design. (4marks)

b) Explain four factors that affect the design of a system. (8marks)

c) Deciding on goals early in the design process can help the designer focus on important aspects of a system. Explain two goals (quality attributes) that would be most important for each of the following systems.

i) Intrusion detection system.

ii) User Interface for encrypting email. (8marks)

Question 3

a) Describe three populations of users with special needs. For each population, suggest three ways current interfaces could be improved to better serve them. (9marks)

b) Describe four principles of direct manipulation. (4marks)

c) Compare Object action model and action object model. (2marks)

d) User Interface Independence is the decoupling of user interface design from the complexities of programming. Describe how software designers and engineers can benefit from this notion. (5marks)

Question 4

a) Describe how a designer needs to recognize user diversity in designing interactive interfaces. (4marks)

b) Describe Shneiderman’s eight golden rules of interface design giving examples in each case. (16marks)

Human Computer Interaction Question Paper

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