System Analysis and Design
In top down analyis and design

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

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System Analysis and Design
A system analyst designs a new system by

adopting a developed system to the present environment
identifying sub systems and the interfaces between sub systems
propose alternatives to the current system
None of these
developing the system as a large, single unit

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