System Analysis and Design
A couple:

is a data item that moves from one module to another
means that the upper module has the capability of calling the lower module
None of these
is represented by a line joining two modules
None of these

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System Analysis and Design
Most algorithms begin by _____.

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

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