Draw
a context diagram that represents a Supply Ordering System (SOS). This system
is to be used by EraTech company to supply computers to their clients whenever
order has been finalised. Decompose this to a level-0 diagram. Document the
process description into Structured English and
Decision Treebased on the discount policy given below.Discount
policy:Using
the SOS EraTech sends out invoices monthly and will give discounts if payments
are made within 10 days. The discount policy is as follows: If the amount of
the order for computer supplies is greater than $1000 subtract 4 percent for
the order; if the amount is between $500 and $1000 subtract
a 2 percent discount; if the amount is less than $500 a discount is not
applicable. All orders made via the Web will automatically receive an extra 5 percent
discount.ASSIGNMENT RUBRICSCriteriaDraw a
context diagramThree
or more correct
external entityindrawing
context diagram with detailed assumptions for
system scope and termsDraw level 0DiagramThree
or more correct
external entity processand data
store indrawing level 0 diagram with detailed assumptions forsystem scope and termsWrite
Structured EnglishFour
or more correct
IF/ELSE statementswith detailed
conditions and assumptionsDraw Decision
TreeFour
or more correct
logical structureswith detailed
conditions and assumptions