System Analysis and Design
A Decision table

documents rules, that select one or more actions, based on one or more conditions, from a set of possible conditions.
shows the decision paths
represents the information flow
gets an accurate picture of the system

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

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

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