System Analysis and Design
The model base cannot be prepared until

None of these
both (a) and (b)
the preparation of physical facilities
the MIS staff has been acquired and organized
the computer has been selected

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System Analysis and Design
A couple:

is represented by a line joining two modules
None of these
is a data item that moves from one module to another
means that the upper module has the capability of calling the lower module
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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