System Analysis and Design
The four icons used in building Data Flow Diagram are

Source, Process, Destination, Store
None of these
Flow, Process, Source, Store
Flow, Process, Source/Destination, Store
Flow, Source, Store, Process

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

the flexibility of modifying the system at will
All of these
None of these
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

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System Analysis and Design
In the system concepts, term organization

means that parts of the computer system depend on one the another.
None of these
refers to the mannar in which each component functions with other components of the system.
refers to the holism of systems
implies structure and order

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

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

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System Analysis and Design
Which of the following is not a characteristic of structured system development?

None of these
specification of the interfaces between modules
partitioning of systems into manageable levels of detail
the use of graphical tools, such as data-flow diagrams, to model system
All of these

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