this assignemnt is based on AT&T idea of producing a new phone
card dispensing machine.
i have produced the prototype for the assignment so i would like you
to work in conjunction with the prototype to complete the written
part of the assignment.
all that is involved is are described in the deliverables.
here is what i have used in my protype.
[url removed, login to view] chooses a phone card type from:
a. pre-paid national calls only
b.pre-paid international calls
c. start a credit account.
2. user chooses a payment method from:
[url removed, login to view] card
[url removed, login to view] Paypal account ([url removed, login to view] : user would have to
supply a valid email address and Paypal password for the
dispenser to authenticate the account)
c. cash (only for the pre-paid cards)
3. entering the desired phone card value to dispense (pre-paid
4. confirming the transaction and receiving credit card where
appropriate and dispensed phone card.
PLEASE MAKE AMENDMENTS TO MY PROTYPE IF YOU FEEL IT NEEDS
IMPROVING SO THAT YOU CAN SUPPORT THIS IN THE
**1-hIERARCHICAL TASK ANALYSIS:** diagram covering the functions in the functions in the description.
**2-ERRROR ANALYSIS:** detailing predicted arror modes and proposed design solutions
**3-PROTYPE DESIGN:** **
**A:**** diagram of the protype design including messages taken from the error table . proposed designs do not relate to the error table will receive no marks for 3a.
[url removed, login to view] of significant user testing (at least ten users) with conclusions and subsequent design modifications and recommendations if any.
remember only the documentation is required.....THATS ALLL!!!!!!
MICROSOFT VISUAL BASIC TO RUN THE PROTYPE
MICROSFT WORD TO DO THE DOCUMENTATION.