10-04-2017, 08:42 PM
6. Draw the context level diagram and first level data flow diagram for a bill tracking
System which includes the following: 10
a. The system should keep track of bills that are not paid and how much
b. Material is purchased from each supplier along with the details of the supplier.
c. Validation of supplier and material sent by the supplier.
d. Bill code generation.
e. Payment issue process.
f. Report generation