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

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

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System Analysis and Design
An audit trial is

designed to permit tracing of any input record or process performed on a system, back toits original sources
test data used by the system auditor
All of these
None of these
post-auditing the system after its implementation

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System Analysis and Design
System prototyping helps the designer in

making the programmers understand how the system will function.
all of the listed here
communicating to the user, quickly, how the system, when developed, will look like and get a feedback.
giving a demo of the software, to the system manager to whom he reports

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