System Analysis and Design
The current trend, of computer usage is mainly interactive; the trend, earlier, was

None of these
multi-task processing
batch processing
random processing
parallel processing

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System Analysis and Design
In top down analyis and design

each succeeding phase is more detailed than the phase before it
each succeeding phase is as detailed as the phase before it.
each succeeding phase is less detailed than the phase before it
all of the listed here

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