System Analysis and Design
Unit testing is

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

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System Analysis and Design
Most algorithms follow the format of

Entering the output items, then processing the output items, and then displaying the output items
Entering the input items, then processing the input items, and then displaying the output items
Entering the input items, then displaying the input items, and then processing the output items
Entering the input items, then processing the output items, and then displaying the output items
Entering the output items, then displaying the output items, and then processing the output items

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System Analysis and Design
In a Decision tree

the nodes represent the conditions, with the right wise of tree listing the actions to be taken
the branch, to be followed, depends on the conditions and decisions, to be made
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 upside down on the screen
showing data with half brightness
emphasizing data by reversing the foreground and background
None of these
hiding confidential data on the screen

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