System Analysis and Design
The two classification of inputs are:

energies and maintenance
maintenance and signal
None of these
maintenance and waste
products and waste

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System Analysis and Design
Reverse video is a technique of

showing data with half brightness
showing data upside down on the screen
emphasizing data by reversing the foreground and background
hiding confidential data on the screen
None of these

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System Analysis and Design
A couple:

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

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System Analysis and Design
Cost-Benefit analysis

compares the cost, with the benefits, of introducing a computer-based system
All of these
evaluates the tangible and non-tangible factors
estimates the hardware and software costs
None of these

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