System Analysis and Design
The strategy for eliciting information regarding the user's requirements is (are)

obtaining information from the present system
prototyping
asking questions
All of these
None of these

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System Analysis and Design
A Turnaround document

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

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System Analysis and Design
A square symbols

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

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