System Analysis and Design
The starting point for development of an MIS is;

a distributed database management
the system has a large number of PCs and a LAN.
purchase of a mini computers
identification of business processes that are the essence of the business

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System Analysis and Design
Unit testing is

making sure that the new programs do in fact process certain transactions according to Specifications
running the system with line data by the actual user
is checking the logic of one or more programs in the candidate system
testing changes made in an existing or a new program
None of these

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