Provide short essay style responses to the following questions.
1. In the context of User Interface Design, what is meant by the term feedback?
How should feedback be incorporated into design of user interfaces? Provide
examples to illustrate your response.
2. In a meeting with the executives of a computer software company, they
decided that they were going to move their usability testing schedule
so that it would
start several weeks before the beta release. This was mainly due to the
fact that they said the testing was expensive and hence could be paid
for by budget
surpluses discovered at the end of the project. What would be your response?
Justify your reasoning.
3. You are required to design a remote control device for a web browser
similar in concept to those devices used for controlling a TV or video
recorder.
This would enable a user to browse the Internet with a wireless remote
control.
- Who would you involve in your interview process
- Develop 2 scenarios for the wireless remote system
- Present a usability test plan that describes how you would conduct
a usability evaluation of your design.
- What would you need implement if you were to support blind users?
4. Describe what is meant by natural mappings. Provide a sketch to
illustrate your answer.
5. Discuss the user-centred advantages and disadvantages of using
a touch screen input technology in a kiosk-based tourist guide
system.
6. What is the split attention effect? How can we make use of the
split attention effect when designing user interfaces? Sketch
examples to
support your response.
7. Visual information can be shown in a variety of ways on a
computer display. Define and describe a set of design criteria
that you
would use to arrange
a user interface. Sketch examples to support your explanation.
8. Experts can be involved in the design of a user interface.
Explain how they may contribute to the design process. What
are the advantages
and
disadvantages of involving an expert?
9. What is keystroke level modelling? When and how would
you use keystroke level modelling in the user interface
design process? Provide an example
illustrating
the use of keystroke level modelling.
10. You have been asked to develop a mobile phone based
system that enables drivers to pay for their street parking
using
their mobile
phone. One
of the goals of
this system is to make it more convenient for users since
they don’t
have to carry change. Instead of requiring cash, drivers will be billed for
parking
via their monthly mobile phone bill. Each current parking meter will be able
to provide the driver with a reference number that uniquely identifies the
parking position.