Assignment: Data Flow Diagram and Monthly Statements
Textbook Assignment Instructions
Textbook Assignment 1 (Module/Week 4):
Complete the following Short Problems: SP 4-1, SP 4-2, SP 4-3, SP 4-5.
SP 4-1
a. Prepare a table of entities and activities for the Webster, Inc. process described below.
Webster, Inc. sells plumbing supplies to contractors in the southern region of the United States. Each month, the IT division at Webster prints monthly statements and sends them to the accounts receivable (AR) department, where a clerk mails them to the customers. Webster’s customers mail their payments back to Webster, where a clerk in AR batches the checks and sends them to the cashier. The AR clerk then uses the payment stub to enter the payments into the computer, where the AR master data is updated to record the payment.
Table of Entities and Activities for Webster, Inc. Order Entry Process Entitles | Para | Activities | IT Divisions | 11 | 1. Prints monthly statements 2. Sends to AR department | AR Clerk | 1 | 3. Mails monthly statements to customers | Customers | 2 | 4. Mails payments to company | AR Clerk | 223 | 5. Batches checks 6. Sends checks to cashier 7. Uses payments stub to enter payments into computer | Computer | 3 | 8. Update record payment on AR master data | AR Master Data | 3 | |
b. Construct a context diagram based on the table you prepared in part (a).
Webster, Inc. Context Diagram
Customer
Customer
Monthly statements
Monthly statements
Webster, Inc. Order entry process
Webster, Inc. Order entry process
Payments
Payments
Cashier
Cashier
Checks
Checks
SP 4-2
Prepare a physical DFD based on the output from Short Problem 4-1.
Webster, Inc. Current Physical DFD
2.0
Cashier
2.0
Cashier
Customer
Customer
Monthly statements
Monthly statements
Checks
Checks
1.0
AR Clerk
1.0
AR Clerk
Payments
Payments
Enter Payment
Enter Payment
Monthly
Textbook Assignment 1 (Module/Week 4):
Complete the following Short Problems: SP 4-1, SP 4-2, SP 4-3, SP 4-5.
SP 4-1
a. Prepare a table of entities and activities for the Webster, Inc. process described below.
Webster, Inc. sells plumbing supplies to contractors in the southern region of the United States. Each month, the IT division at Webster prints monthly statements and sends them to the accounts receivable (AR) department, where a clerk mails them to the customers. Webster’s customers mail their payments back to Webster, where a clerk in AR batches the checks and sends them to the cashier. The AR clerk then uses the payment stub to enter the payments into the computer, where the AR master data is updated to record the payment.
Table of Entities and Activities for Webster, Inc. Order Entry Process Entitles | Para | Activities | IT Divisions | 11 | 1. Prints monthly statements 2. Sends to AR department | AR Clerk | 1 | 3. Mails monthly statements to customers | Customers | 2 | 4. Mails payments to company | AR Clerk | 223 | 5. Batches checks 6. Sends checks to cashier 7. Uses payments stub to enter payments into computer | Computer | 3 | 8. Update record payment on AR master data | AR Master Data | 3 | |
b. Construct a context diagram based on the table you prepared in part (a).
Webster, Inc. Context Diagram
Customer
Customer
Monthly statements
Monthly statements
Webster, Inc. Order entry process
Webster, Inc. Order entry process
Payments
Payments
Cashier
Cashier
Checks
Checks
SP 4-2
Prepare a physical DFD based on the output from Short Problem 4-1.
Webster, Inc. Current Physical DFD
2.0
Cashier
2.0
Cashier
Customer
Customer
Monthly statements
Monthly statements
Checks
Checks
1.0
AR Clerk
1.0
AR Clerk
Payments
Payments
Enter Payment
Enter Payment
Monthly