System Analysis and Design
Top-down programming is

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

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System Analysis and Design
A square symbols

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

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System Analysis and Design
Most algorithms begin by _____.

Displaying the input items
Processing the input items by doing some calculations on them
Entering the output items into the computer
Displaying the output items
Entering the input items into the computer

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