System Analysis and Design
Unit testing is

is checking the logic of one or more programs in the candidate system
None of these
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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System Analysis and Design
A system analyst designs a new system by

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

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System Analysis and Design
Positive testing is

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
is checking the logic of one or more programs in the candidate system

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