Is a process that insures that operations meet data validity standards. for instance, information systems that process checking accounts will only allow unique check numbers for each transaction—and reject duplicates.

The answer is consistency

Explanation:

Information systems deal with the retrieval, storage, manipulation and sharing of data for organisational needs. It is important that there are measures in place that corresponds to data validity standards. The process that ensures that operations meet these standards is known as consistency.

This is very necessary for information systems.

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