System Analysis and Design
Reverse video is a technique of

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

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System Analysis and Design
A couple:

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

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System Analysis and Design
Top-down programming is

a map of the programmer's view of the data
a series or group of components that perform one or more operations of a more complex system
an approach in which the top module is first tested then program modules are added from the highest level to the lowest level
a group of related fields

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