System Analysis and Design
The approach used in top-down analysis and design is

to identify the top level functions by combining many smaller components into a single entity
all of the listed here
to identify a top level function an d then create a hierarchy of lower-level modules and components.
to prepare flow charts after programming has been completed

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System Analysis and Design
Reverse video is a technique of

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

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