Essay
Data flow diagram and flowchart comparison
The systems flowchart below depicts a typical appointment process for Dr. M. Ali, an internal medicine specialist. In Dr. Ali's office, a nurse also functions as a receptionist. "Vital signs" include weight, temperature and blood pressure. The "chart" is the record of all a patient's visits to the doctor. 
Prepare a Level Zero data flow diagram for the same process
Correct Answer:
Verified
Correct Answer:
Verified
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