System Analysis and Design
Unit testing is

None of these
is checking the logic of one or more programs in the candidate system
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
testing changes made in an existing or a new program

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System Analysis and Design
In a Decision tree

the branch, to be followed, depends on the conditions and decisions, to be made
the nodes represent the conditions, with the right wise of tree listing the actions to be taken
all of the listed here
the root is drawn on the left and is the starting point on the decision sequence

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System Analysis and Design
Reverse video is a technique of

showing data with half brightness
showing data upside down on the screen
hiding confidential data on the screen
None of these
emphasizing data by reversing the foreground and background

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System Analysis and Design
The advantage of Purchase Option is (are)

the flexibility of modifying the system at will
None of these
All of these
Insurances, maintenance, and other expenses are included in the rental charge
No financing is requird. The risk of system obsolescence is shifted to the lessor

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