Physical security is also an organizational control, but it refers to the restriction on physical access, not the separation of test program library from the production program library.
Organizational control includes the proper segregation of duties. Thus, the practice of maintaining a test program library separate from the production program library is an example of an organizational control.
Concurrency control is the process of managing the situation when two or more programs are trying to access the same information at the same time.
Input controls provide assurance that the data inputted has the proper authority, and has not be lost, added or changed.
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