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Comp 409: User Interface Design Question Paper

Comp 409: User Interface Design

Course:Computer Science

Institution: Chuka University question papers

Exam Year:2012

1
CHUKA UNIVERSITY
COLLEGE
UNIVERSITY EXAMINATIONS
YEAR FOUR EXAMINATION FOR THE AWARD OF DEGREE OF
BACHELOR OF SCIENCE IN COMPUTER SCIENCE
COMP 409: USER INTERFACE DESIGN
STREAM: B.Sc. COMP Sc. Y4 TIME: 2 HOURS
DAY/DATE: TUESDAY 11/12/2012 2.30 P.M. – 4.30 P.M.
INSTRUCTIONS
1. Answer question ONE and any other TWO questions
2. Marks are awarded for clear and concise answers
3. Note that if you answer more than 3 Questions, only the first THREE questions will be
marked
SECTION A-COMPULSORY
Question One-30 Marks
(a) While giving examples explain what you understand from the following terms as used in
user interface design.
(i) Mapping [3 Marks]
(ii) Human computer interaction [3 Marks]
(iii) WIMP [3 Marks]
(iv) Cognitive walk through [3 Marks]
(b) Differentiate between;
(i) Question/answer and query dialog [4 Marks]
(ii) Formative and Summative evaluation [4Marks]
(c) Give THREE Challenges to user interface design. [3 Marks]
2
(d) In relation to human-computer interaction, what do you understand from the term
Usability? [3 Marks]
(e) Give FOUR measures of usability [4 marks]
SECTION B-ANSWER ANY TWO QUESTIONS FROM THIS SECTION
Question Two-(20 Marks)
(a) Describe two techniques for user interface evaluation, highlighting their key points and
the differences between them. [10 Marks]
(b) What is meant by user centered design. How does evaluation fit into user centered
design [6 Marks]
(c) Differentiate between gulf of execution and gulf of evaluation [4 Marks]
Question Three-20 Marks
(a) ICT for schools have been rolling out in Kenyan schools for at least ten years now. This
is a project aimed at introducing computers to both primary and secondary schools in
Kenya.
Currently, the project is focusing more on computer hardware but later there will be need
to create content and have a schools portal. You have been approached as a lead
consultant in course content design. Discuss two usability features you will integrate in
the secondary school portal showing how they will enhance usability. [10 Marks]
(b) In HCI design one of the main design considerations is the human factor. Briefly describe
three human subsystems that are required to interact with computer. [6 Marks]
(c) While giving appropriate software examples, what do you understand from the term
forcing function? [4 Marks]
Question FOUR-20 Marks
(a) While citing appropriate examples briefly describe the following in relation to user interface
design. [9 Marks]
(i) Design Model
(ii) User Model
(iii) System Image
(b) What is the relationship between user model and mental model? [3 Marks]
3
(c) What is the relevance of the following concepts in the design of a user interface?
[8 Marks]
(i) Automatic Learning
(ii) Affordance
(iii) Feedback
(iv) Colour
Question FIVE-20 Marks
(a) While explaining what ergonomics is, List FOUR areas it is concerned with. [6 Marks]
(b) What do you understand from the following concepts as used in user interface
design? [6 Marks]
(i) Informative feedback
(ii) Design dialogs that yield closure
(iii) Reduction of short-term memory load
(c) Highlight the main characteristics of the following user interfaces. [8 Marks]
(i) Command line interface
(ii) Menu
(iii) Natural Language
(iv) Form Fills and spreadsheet
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Comp 409: User Interface Design Question Paper

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