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

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

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System Analysis and Design
Acceptance testing is

is checking the logic of one or more programs in the candidate systems
testing changes made in an existing or a new program
running the system with line data by the actual user
making sure that the new programs do in fact process certain transactions according to Specifications

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