ACCT 309 Chapter Notes - Chapter 10: Business Continuity, Parity Bit, Data Center
Document Summary
Processing integrity principle: a reliable system is one that produces information that is accurate, complete, timely, and valid. Loss, alteration, or disclosure of information in transit. Prenumbering source documents: sequentially numbered, system should report missing and duplicate source documents. Turnaround documents: record of company data sent to an external party and then returned by the external party for subsequent input to the system: prepared in machine readable format. Improve accuracy eliminate potential for input errors: utility bill with special scan code. Documents should be cancelled to prevent fraudulent or inadvertent reentry: stamping paid (paper, flagging canceled (electronic, cancellation doesn"t mean disposal. Should be retained as long as need for standards or legal purposes. Field check: determines if characters in a field are the proper type. Sign check: determines if values in a field have the right athematic sign. Limit check: tests numerical amount entered in a field against a fixed value.
