
Determination of
system requirements
Φ What are the forms of interaction with other systems and with the
outside world?
# How much does the current system cost to operate?
# What are the management objectives to be satisfied?
9 What are the decision-making requirements of the system?
Data
# What transaction data enters the system, and where does it come
from?
# In what form is the transactions data received, and how is it stored?
# What data is produced as a result of the transaction, and how is it
stored?
# Who uses the information produced by the system, and what for?
# Is there any data produced which is not used, if
so,
what?
# Is all th ...