System Analysis and Design
Reverse video is a technique of

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

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System Analysis and Design
System prototyping helps the designer in

all of the listed here
communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
making the programmers understand how the system will function.
giving a demo of the software, to the system manager to whom he reports

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