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
hierarchy structure
Tuple
None of these

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

documentation should be emphasized
the non machine components of the system should be considered
steps must be taken to phase out the old system
the user and systems personnel must work closely together

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