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

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

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System Analysis and Design
In Decision trees

All of these
None 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
nodes represent the conditions, with the right side of tree listing the actions to be taken

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System Analysis and Design
Inverted list organization

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

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System Analysis and Design
A Turnaround document

All of these
is circulated among all the heads of departments of an organization.
None of these
is output at one point which later comes back as an input
is circulated among all the staff of an organization.

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