System Analysis and Design
Sequential organization

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

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System Analysis and Design
A Turnaround document

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

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System Analysis and Design
The black-box concept:

is invoked by describing a system in terms of inputs and outputs, leaving the transformation process a black box.
assumes that inputs and outputs will remain stable
None of these
assumes that the black box is independent
All of these

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