System Analysis and Design
The approach used in top-down analysis and design is

to prepare flow charts after programming has been completed
to identify the top level functions by combining many smaller components into a single entity
to identify a top level function an d then create a hierarchy of lower-level modules and components.
all of the listed here

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System Analysis and Design
The advantage of Purchase Option is (are)

the flexibility of modifying the system at will
Insurances, maintenance, and other expenses are included in the rental charge
No financing is requird. The risk of system obsolescence is shifted to the lessor
None of these
All of these

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System Analysis and Design
The outstanding Invoice file should be stared on a Pardon Access Storage Device if

None of these
payment recording is done in a batch rode
inquires concerning payable are to be answered on-line
last record points to the first record
invoice data entry is on-line.

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