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Bbit 314:Human Computer Interaction 2Nd Trimester 2014 Question Paper

Bbit 314:Human Computer Interaction 2Nd Trimester 2014

Course:Bachelor Of Business Information Technology

Institution: Kenya Methodist University question papers

Exam Year:2014

HUMAN COMPUTER INTERACTIONS (BBIT 314) 2ND TRIMESTER 2014
KENYA METHODIST UNIVERSITY

END OF 2'ND 'TRIMESTER 2014 (PT) EXAMINATION

FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE AND BUSINESS
INFORMATION
UNIT CODE : BBIT 314
UNIT TITLE : HUMAN COMPUTER INTERACTIONS (HCI)
TIME : 2 HOURS

Question One (compulsory) 30 marks

Define the following terms
(6 Marks)
Human computer interfaces
Windowing systems
User interface management systems
Discuss any six principles considered during the design and development of the human computer interface
(12 marks)
State and briefly explain any four usability attributes
(4 marks)
Explain any four types interaction styles
(8 Marks)
Question Two (20 marks)

Explain the term requirement analysis
(2 marks)
Explain two reasons why requirement gathering before the actual design of a HCI is a very necessary exercise
(2 Marks)
State and explain the three categories of requirements showing which each of them is very necessary
(6 marks)

Explain what is meant by the following terms used in the development of software
(4 marks)
Requirement validation
Requirement verification
Explain briefly the following two methods of capturing the requirements from the users giving advantages and two disadvantages
(6 Marks)
The questionnaire
The observation
Question Three (20 marks)

Distinguish between the following
Low-fidelity and high fidelity
(4 Marks)
Affordance and visibility
(4 marks)
Evaluation is concerned with gathering data about the usability of a design or product a specified group of users for a particular activity within a specified environment of work context. There are a wide range of methods which can be used for evaluation
State any two typical reasons why evaluations are done
(2 Marks)
List four important things to consider regardless of the type of evaluation being done
(4 marks)
Discuss three major principles of direct manipulation
(6 Marks)
Question Four (20 marks)

Describe the term interaction design and highlight the main elements of design
(4 Marks)
Using suitable examples, discuss design guidelines for menu interaction style with regard to organization and navigation, and selection techniques
(8 Marks)
Discuss briefly any four universal principles of interaction design
(8 marks)
Question Five (20 marks)

Schneiderman describes appeal of graphically based interaction demonstrated by direct manipulation.
Describe any four characteristics of this interaction style (4 marks)
Define the term usability and describe the importance of implementing the three usability principles
(8 Marks)
Define the term interface metaphor and explain the benefits of using metaphors is an application
(6 Marks)

Bbit 314:Human Computer Interaction 2Nd Trimester 2014 Question Paper

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