Rochelle Was a New Employee at CPP Corporation

question 4

Essay

Rochelle was a new employee at CPP Corporation. To her dismay, she arrived in her office to find no furniture, no telephone and no computer. When she asked her supervisor what had happened, he said: "The purchasing department must not have processed the necessary paperwork. We'll correct the problem and get you everything you need within two working days." The supervisor then called the purchasing department manager and reviewed the data flow diagram of the process shown below.
-Identify at least three errors in the data flow diagram above. Explain how you would revise the data flow diagram to eliminate the errors.