Week 9

Question 0

Define interface

Answer 0

And interface is the point where two systems, subjects, organizations, people, etc…, meet and interact.

Question 1

Draw the physical view of a system

Answer 1

See slide number five of week nine

Question 2

Define usability and list the three characteristics of usability.

Answer 2

Usability is the overall evaluation system performs in supporting a particular user for a particular task.
The three characteristics of usability are:
– Speed – can you complete a task efficiently?
– Accuracy – does the output provide what you expect?
– Satisfaction – do you like using it?

Question 3

What are the five usability success factors?

Answer 3

1. Consistency: of terminology, formatting, titles, navigation, response time.
2. Efficiency: minimize required user actions.
3. Ease: self-explanatory inputs and labels.
4. Format: appropriate display of data and symbols.
5. Flexibility: maximize user options for data input according to preference.

Question 4

What is the difference between a form and a report?

Answer 4

Form is a business document that contains some predefined and may include some areas where additional data are to be filled in.

Report is a business document that contains only predefined data.

Question 5

What are the steps in implementation?

Answer 5

1. Development (coding)
2. Testing
3. Installation (configuration)
4. Documentation
5. Training
6. Support