You are working on a project to design a new order system for a distributor of auto supplies. You are developing the physical DFD, and one of the logical processes is “Check Inventory in Stock.” If this process is to be performed both by people and by computer, how would you show this as a physical process? (Use the diagram formats shown after Figure 12-1.) What if the process is completely done by computer, but using different technologies?

Data from Figure 12-1

Transcribed Image Text:

FIGURE 12-1 A Sample Physical Data Flow Diagram 7 Bank PRINTED FORM: Monthly Statement This diagram is intentionally Incomplete and oversimplified. Record Scheduled Transaction Visual Basic UPDATE: Scheduled Transaction WIN 2000 GUI: Reconcile Dialogue MS ACCESS TABLE: Account Register UPDATE: Post Transaction Record Scheduled Transaction Verity Transactions and Balances Customer WIN 2000 GUI: Cleared Transaction WIN 2000 GUI: Scheduled Transaction WIN 2000 GUI and PRINTED REPORT: Reconciliation Report SYSTEM BOOT: Date and Time Reconcile Account READ: Balances and Transactions Visual Basic Customer U System Clock UPDATE: Cleared Transactions UPDATE: Balances and Transactions BANK FORM: Deposit Receipt MS ACCESS TABLE: Account Register CHECKBOOK: Check Written PRINTED FORM: Bank Machine Receipt Record Personal Transaction Visual Basic