System Analysis and Design
The mistake, committed by interchanging two digits in a numeric held, during data entry, is called

Beta testing error
transcription error
Alpha testing error
transposition error

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System Analysis and Design
Unit testing is

running the system with line data by the actual user
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
testing changes made in an existing or a new program
None of these

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System Analysis and Design
In Decision trees

All of these
None of these
nodes represent the conditions, with the right side of tree listing the actions to be taken
the root is drawn on the left and is the starting point on the decision sequence.
the branch depends on the condition and decisions to made

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

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

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