System Analysis and Design
Sequential organization

None of these
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records
uses an index for each key type
has records placed randomly throughout the file

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System Analysis and Design
A menu-driven system

increases the operator's work
presents options and allows the user to make selections
can be used only by computer professionals
is required only for on-line systems
None of these

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

to identify the top level functions by combining many smaller components into a single entity.
None of these
to identify a top level function and then create a hierarchy of lower level modules and components
All of these
to prepare flowcharts after programming has been completed

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