In class Examples-Ch30

In class Examples-Ch30 - In class Examples Chapter 3 DFD...

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Unformatted text preview: In class Examples Chapter 3 DFD and Flowcharts Data Flow Diagram Example Draw a Context Diagram and a 1 st level explosion Current System Description for the payroll system at No-Wear Products. Time data are recorded in each department using time cards and clocks. The time data are sent to the payroll by different departments. Payroll clerks review the time data for their completeness. Human resources send the payroll data on personnel changes, such as increases in pay rates and new employees. Payroll clerks update the payroll file based on these changes . At the end of the period, payroll clerks enter the time card data into the payroll file for processing. The payroll supervisor reviews the file and makes necessary corrections . Payroll clerks send the direct payments to the bank and also the direct deposit slips to the departments. Payroll Processing System Bank HR Department Departments Departments Deposit Time card data Employee Personnel data Direct Deposit slip 1.0 Process Employee time cards 2.0 Update Payroll file 3.0 Generate Direct Deposit Bank HR Department Departments Departments Payroll File Deposit Time card data Employee Personnel data Direct Deposit slip Prepare a context level and Level 0 DFDs and a Flowchart for the S&S A/P system Before S&S pays a vendor invoice, the invoice must be matched against the purchase order used to request the goods and the receiving report that the receiving department prepares. Because all three of these documents enter the A/P system at different times, a separate alphabetical file is kept for each type of document. ( a purchase order file and a receiving report file). When vendor invoices are received, the A/P and a receiving report file)....
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In class Examples-Ch30 - In class Examples Chapter 3 DFD...

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