Match the terms with the definitions provided below: Involves the use of a computer program written by the auditor that replicates some part of a client's application system. The new and old systems operate simultaneously in all locations. A new system is implemented in one part of the organization while other locations continue to rely on the old system. Controls such as review of data for reasonableness, designed to assure that data generated by the computer is valid, accurate, complete, and distributed only to authorized people. Controls that apply to processing of transactions. Controls such as proper authorization of documents, check digits, and adequate documentation, designed to assure that the information to be processed by the computer is authorized, complete, and accurate. Controls that relate to all parts of the IT system. A method of auditing IT systems which uses data created by the auditor to determine whether the client's computer program can correctly process valid and invalid transactions