System Analysis and Design
The records in a file on magnetic tape

have to be arranged in a key sequence
None of these
cannot be transformed to a disk file
are meant for backup
can only be accessed serially

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System Analysis and Design
In Decision trees

the branch depends on the condition and decisions to made
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.
All of these

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System Analysis and Design
Acceptance testing is

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 systems
running the system with line data by the actual user
testing changes made in an existing or a new program

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