System Analysis and Design
A menu-driven system

None of these
is required only for on-line systems
can be used only by computer professionals
presents options and allows the user to make selections
increases the operator's work

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System Analysis and Design
In top down analyis and design

all of the listed here
each succeeding phase is less detailed than the phase before it
each succeeding phase is more detailed than the phase before it
each succeeding phase is as detailed as the phase before it.

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System Analysis and Design
Positive testing is

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

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