System Analysis and Design
A design that consists of a hierarchy of modules; each module has a single entry and a single exit subroutine, is known as

Turnaround
top-down design
Tuple
hierarchy structure
None of these

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System Analysis and Design
An open rectangle

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
defines a source or destination of system data
None of these
identifies data flow

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System Analysis and Design
Which of the following is not a characteristic of structured system development?

specification of the interfaces between modules
partitioning of systems into manageable levels of detail
All of these
the use of graphical tools, such as data-flow diagrams, to model system
None of these

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