System Analysis and Design
A Turnaround document

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

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System Analysis and Design
A square symbols

defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
identifies data flow
None of these
is a data store-data at rest, or a temporary repository of data

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System Analysis and Design
An open rectangle

None of these
defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
is a data store-data at rest, or a temporary repository of data
identifies data flow

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