System Analysis and Design
Any data that are entered into the computer, for the first time, will go through the process of

Validation
String testing
System testing
None of these
Sequential testing

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System Analysis and Design
Cost-Benefit analysis

evaluates the tangible and non-tangible factors
All of these
None of these
estimates the hardware and software costs
compares the cost, with the benefits, of introducing a computer-based system

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