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
None of these
is represented by a line joining two modules

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System Analysis and Design
A system analyst designs a new system by

adopting a developed system to the present environment
propose alternatives to the current system
identifying sub systems and the interfaces between sub systems
developing the system as a large, single unit
None of these

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System Analysis and Design
Most algorithms follow the format of

Entering the output items, then displaying the output items, and then processing the output items
Entering the input items, then processing the input items, and then displaying the output items
Entering the input items, then processing the output items, and then displaying the output items
Entering the output items, then processing the output items, and then displaying the output items
Entering the input items, then displaying the input items, and then processing the output items

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