UIK
Activities
Complexity
Have the lowest level of complexity
All tab have to be easy to understrand
Content
All Content have to be refreshed everyday
Staff can closed the Content which is uder contribute and editting
Safety Critical
Easy to move if neccessary
Have the backup information
the cover and screen have to protect the user from the electricity shock
easy to cleam from bacteria
Co-operation
Have the responsibility to protect the University properties
report for the staff if immediatly if somethings wrong happen
don't do the action cause memory load or slow the system
User have to follow the instruction from the system
Temporal
The data have to be updated daily
All function have to have quick reaction with user
Technology
Communication
have a camera to take a picture and upload it into the interner via upload function
Free email
have an emergency number for user call the staff if they have a problems
Output
the tab on each screen has the odrer
The instruction should be clear and easy understand
friendly and fast feeback when the user put the tabs
User input
1 touch system
prevent the user put 2 or 3 buttons in the same time.it requires more memory in the system->cost more money
Buttons with the related function should be grouped near the others
Common buttons should be easy to find and use
have a fast CPU
load information from the previous screen to the next screen fast
have the sensitive touch screen
user do not take a heavy push into the screen
have the sound feed back when the system receives the touching
People
Usage
withstand with heavy usage
easy to clean
user can keep track where are they and what they do via the helping fuction of the system
easy to learn without the instruction book.
pshychological
Cognitive usability
have the hep function to help user understand the meaning of each tabs
Use simple and understandable noun phase or verb phase in each tabs
Have the fuction to bring user into the main screen when they get lost(home fuction)
Have the description pictures in each tab->users can guess what is going on in the next screen
Confirm the decision of user in the important or big task in the system.
have the undo/go back function for user can go back and check the information in the previous screen
have the instruction function for each tab when click the icon "?"
Physical
Size of hand/fingers
have a thick crystal on the screen the stand with the strong finger touch force
the tab have to be big so with the big hand or small hand can touch its easily
Disabilities
seat in the wheel chair
the screen must not be too high
Auditory
Volume adjustment
Have a picture in each main tab for user realize what is in the tab an
Visual
The system have the specific sound instruction function.
Context
Organisational content
Social Enviroment
kepp the machine stay away the area with lots of vechile in order to make a quite enviroment for users
The Volume is kept in balance in order not to disturbe other people in near area
Physical Enviroment
in the university yard
The cover metal should be easy to clean
The design metal can stand with different kinds of weather such as rain,snow or sun shine
Have a shade to protect user and the machine from snow and rain or heavy sunlight.
inside the university building
the cover metal should be easy to clean(Aluminium)
simple shape designed to easy to carry when it is nessaray to move to different places
