System Analysis and Design
The approach used in top-down analysis and and design is

to identify the top level functions by combining many smaller components into a single entity.
All of these
to identify a top level function and then create a hierarchy of lower level modules and components
to prepare flowcharts after programming has been completed
None of these

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System Analysis and Design
Most algorithms begin by _____.

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

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