Computer Science Assignment - Level 0 data flow Diagram and Create a Data Structure

210 PART III • THE ANALYSIS PROCESS

3 PendingInventory _ II ItemOrderProduceOrder Picking ListControl PickingDepartment __ ~._~.M~.s,!er"- .,,",,-~.-=~.,", Slips~ Item, Record Pend}ngBack-Ordered Item

1

Order

1

4 Pending,

Customer

Customer Order

Add Order

Prepare, Customer ShippingWarehouse Order

Statement

." :,.'~:)..,....New CustomerCustomer

Information

CustomerShipping

Record

Statement

2

5Fulfillment Items Customer

Add

Record-Customer Ship) i

Customer j Master CustomerShipped Order

Record

:~ .,..~ ~~~~~_. s;"'~_""""""~•.•

Order! 2,>:q" ··""··-;;'~"h4.,jjf

Customer Name

and Address\ Customer

Record

Customer 9 Master

Customer

~--,-~- CustomerRecord 8

7 6 Pending

Pending

Produce

Order Order

Create Customer Billing Statement

Query Item Information

Accounts, Customer Receivable

Statement

Item

Item Accounts

Number or Description

Information Receivable

Report

Customer

Accounting

Department .,

;"!

separate entities both called CUSTOMER are really one and the same). The data flows t from and go to the external entities are shown as well (for example, CUSTOMER ORD ORDER PICKING LIST).

Drawing Diagram 0 Next, go back to the activity list and make a new list of as many processes and data store.

can find. You can add more later, but start making the list now. If you think you have enoug mation, draw a level 0 diagram such as the one found in Figure 7.17. Call this Diagram 0 an

FIGURE 7.17

Diagram 0, of the order processing system for World's Trend Catalog Division.