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

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

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

None of these
All of these
to identify the top level functions by combining many smaller components into a single entity.
to identify a top level function and then create a hierarchy of lower level modules and components
to prepare flowcharts after programming has been completed

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