System Analysis and Design
In processing controls must be established in a system, in order to

Verify that all data have been processed
None of these
prohibit tampering with information by unauthorized person
block or trap faulty data from entry into processing
All of these

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

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

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System Analysis and Design
Cost-Benefit analysis

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

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