Read the following narrative description. Compare the narrative with the data flow diagram on the next page. Identify errors in the data flow diagram. You will receive points for each error correctly identified; however, you will be penalized for any errors incorrectly identified (i.e. items you identify as errors that are not actually errors). Be VERY specific about what each error is.
Toy Wholesaler, Inc. (TWI) purchases toys from various toy manufacturers and resells the toys to local retail shops. TWI's supervisors have given you the following information with regard to part of its information system. At TWI, for purposes of this data flow diagram, the Acquisition/Payment System consists of Purchasing, Accounts Payable, and Accounting.
A purchase requisition is sent from the inventory system and is received by Tom Piper, a clerk in the Purchasing department. Tom prepares a purchase order from information in the vendor and inventory files and mails it to the vendor. The vendor returns a vendor acknowledgement to Tom indicating the receipt of the purchase order. Tom then sends a purchase order notification to Mary Contrary, a clerk in the Accounts Payable department.
When the Receiving department accepts vendor goods, the inventory system sends Mary a receiving report to notify him that the goods have been received. Mary also receives the invoices that are mailed in by the various vendors. Mary matches the invoices with the purchase order notification and the receiving report and updates the accounts payable master file.
Mary then sends a payment authorization to the Accounting department. In the Accounting department Willie Winkie prepares and mails a check to the vendor. When the check is issued, the system automatically updates the accounts payable master file and the general ledger.
Context Level Data Flow Diagram
List the errors you identified in TWI's data flow diagrams.

Question

Read the following narrative description. Compare the narrative with the data flow diagram on the next page. Identify errors in the data flow diagram. You will receive points for each error correctly identified; however, you will be penalized for any errors incorrectly identified (i.e. items you identify as errors that are not actually errors). Be VERY specific about what each error is. 
Toy Wholesaler, Inc. (TWI) purchases toys from various toy manufacturers and resells the toys to local retail shops. TWI's supervisors have given you the following information with regard to part of its information system. At TWI, for purposes of this data flow diagram, the Acquisition/Payment System consists of Purchasing, Accounts Payable, and Accounting.
A purchase requisition is sent from the inventory system and is received by Tom Piper, a clerk in the Purchasing department. Tom prepares a purchase order from information in the vendor and inventory files and mails it to the vendor. The vendor returns a vendor acknowledgement to Tom indicating the receipt of the purchase order. Tom then sends a purchase order notification to Mary Contrary, a clerk in the Accounts Payable department.
When the Receiving department accepts vendor goods, the inventory system sends Mary a receiving report to notify him that the goods have been received. Mary also receives the invoices that are mailed in by the various vendors. Mary matches the invoices with the purchase order notification and the receiving report and updates the accounts payable master file.
Mary then sends a payment authorization to the Accounting department. In the Accounting department Willie Winkie prepares and mails a check to the vendor. When the check is issued, the system automatically updates the accounts payable master file and the general ledger.
Context Level Data Flow Diagram
  List the errors you identified in TWI's data flow diagrams.

Quizplus · Accepted Answer

The Answer of Read the following narrative description. Compare the narrative with the data flow diagram on the next page. Identify errors in the data flow diagram. You will receive points for each error correctly identified; however, you will be penalized for any errors incorrectly identified (i.e. items you identify as errors that are not actually errors). Be VERY specific about what each error is. 
Toy Wholesaler, Inc. (TWI) purchases toys from various toy manufacturers and resells the toys to local retail shops. TWI's supervisors have given you the following information with regard to part of its information system. At TWI, for purposes of this data flow diagram, the Acquisition/Payment System consists of Purchasing, Accounts Payable, and Accounting.
A purchase requisition is sent from the inventory system and is received by Tom Piper, a clerk in the Purchasing department. Tom prepares a purchase order from information in the vendor and inventory files and mails it to the vendor. The vendor returns a vendor acknowledgement to Tom indicating the receipt of the purchase order. Tom then sends a purchase order notification to Mary Contrary, a clerk in the Accounts Payable department.
When the Receiving department accepts vendor goods, the inventory system sends Mary a receiving report to notify him that the goods have been received. Mary also receives the invoices that are mailed in by the various vendors. Mary matches the invoices with the purchase order notification and the receiving report and updates the accounts payable master file.
Mary then sends a payment authorization to the Accounting department. In the Accounting department Willie Winkie prepares and mails a check to the vendor. When the check is issued, the system automatically updates the accounts payable master file and the general ledger.
Context Level Data Flow Diagram
  List the errors you identified in TWI's data flow diagrams.

Read the Following Narrative Description