System Analysis and Design
A branch office, location or other data processing centres, where a newly developed system is used under normal operating conditions for several months, to test it, is called

system test data
beta test data
string test data
alpha test data

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System Analysis and Design
Direct-access organization

has records placed randomly throughout the file
uses an index for each key type
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records

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System Analysis and Design
In Decision trees

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

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