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Reference.org
Transaction processing system
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<p>A transaction processing system (TPS) is a <a href="/facts/Computer_software/RP79lVSW">software</a> system, or software/<a href="/facts/Computer_hardware/8jSjsCNv">hardware</a> combination, that supports <a href="/facts/Transaction_processing/Q0WHeD9R">transaction processing</a>. </p>