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

Tuple
Turnaround
hierarchy structure
top-down design
None of these

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System Analysis and Design
Top-down programming is

a group of related fields
a map of the programmer's view of the data
an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a series or group of components that perform one or more operations of a more complex system

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