System Analysis and Design
The requirements report includes

a data flow diagram describing the proposed new system.
None of these
All of these
a list of alternative solutions considered
a hierarchy chart showing the top-level modules

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System Analysis and Design
Inverted list organization

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

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System Analysis and Design
In Decision trees

nodes represent the conditions, with the right side of tree listing the actions to be taken
None of these
All of these
the root is drawn on the left and is the starting point on the decision sequence.
the branch depends on the condition and decisions to made

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