Answer to Question #261554 in Material Science Engineering for Nana

Question

The Blood Bank Testing Unit.

The Blood Bank Testing Unit. This is one unit within the College Street Red Cross Blood Donor Centre.

On the day following a blood donation, the Blood Bank unit tests all blood for blood type and potential viral agents. They send the results of these tests to the Processing Office . This is indicated on the test form.

Blood units have a limited shelf life. The Blood Bank receives a list every day of those units which have exceeded their shelf life. The Blood Bank prepares refrigerated containers of these units and distributes them to the hospital vans when they arrive to pick up their supply. The Blood Bank receives a listing for each hospital and the specific units of blood to supply to the hospital from the Processing Office.

(a) Draw a context data flow diagram for the Blood Bank Testing Unit System.

(b) Draw a level 0 data flow diagram for the Blood Bank Testing Unit System.

Answer 1

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