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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) i) Describe the three elements that make up HCI.
ii) Why do you think it is important to do a good user interface design? (8 marks)
b) i) Why is the study of cognitive psychology important to HCI? Explain.
ii) Outline the main concerns of cognitive psychology which are important to HCI. (5 marks)
c) Briefly describe the three types of reasoning. (6 marks)
d) The computer can be defined as follows: “The participant in the interaction that runs a program.” How does this definition affect the way we perceive a computer? Discuss. (4 marks)
e) Define the term dialogue as used in user interface design. (3 marks)
f) What is ergonomics? How is it related to HCI? Discuss. (4 marks)

Question 2
a) What is the reason for temporary blindness when one moves from a dark room to sudden sunlight? Explain. (4 marks)
b) Physically the three types of memory are not divided, but what do you think distinguish these types of memory? Discuss. (6 marks)
c) How do you think the touch sense is utilized today in HCI? Has its use been enhanced or not? If yes, where has it been utilized in today’s IT sector? (4 marks) d) How does the Gestat theory differ from the problem space theory as a mechanism of problem solving? Explain. (6 marks)

Question 3
a) Define each of the following terms as used in interaction:
i) Domain
ii) Task
iii) Goal
iv) Intention (4 marks)
b) Outline the main stages in the Norman’s model of interaction. (7 marks)
c) Using a suitable diagram, briefly describe the four steps of an interactive cycle in the interaction framework model. (9 marks)

Question 4
a) Outline the six common interface styles. (6 marks)
b) Briefly describe the four elements that constitute the GOMS model. (8 marks)
c) What is ergonomics and why is it important to HCI? (4 marks)
d) Why do you think command line interfaces are useful? Explain. (2 marks)

Question 5
a) i) What is the primary objective of an interactive system? Explain.
ii) Outline the main issue that concern the design of an interactive system. (3 marks)
b) Briefly describe any three paradigms for interaction. (6 marks)
c) Outline the principles that affect robustness. (4 marks)
d) Discuss the term usability. (4 marks)
e) How does CCT differ from GOMS? Explain. (3 marks)

Human Computer Interaction(Bbit 324) Question Paper

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