4. Draw a data ?ow diagram for a factory problem. See Fig. 2-21. ta k e an order order…

4.  Draw a data flow diagram for a factory problem. See Fig. 2-21.

take an order

order

 

    request

 

 

 

 

build product

product

 

                materials

 

Fig. 2-21.   Factory problem data flow diagram.

 

5.  Draw a data flow diagram for a grocery store. See Fig. 2-22.

 

grocery list

 

select items

full cart                                                            groceries

check out

 

sales data

 

 

 

Fig. 2-22.   Grocery store data flow  diagram.

 

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