Information systems Essays

Information systems Essays Information systems Paper Information systems Paper A Transaction Processing System also referred to as TPS is an information system used to collect, retrieve, store, and modify transactions within an organization. For a computer to be considered a transaction processing system it must pass the ACID test. 3 Tescos rely on their TPS because of the fact all there transaction made to there suppliers and customers and any middle parties involved are done by TPS also all the products have a bar code which the TPS uses to figure out how many products have been sold and needs ordering etc. Key Features of TPS Rapid Response Rapid performance and a rapid response time is vital and the businesses cannot meet the expense of the customers having wait for a TPS to respond, the time taken from the input of the transaction to the production for the output must be a few seconds or less. Reliability Many organisations rely profoundly on their TPS if a breakdown was to occur this will disrupt operations and can even stop the business from functioning correctly. For a TPS to be efficient the failure rate must be exceptionally low. If a TPS failure does occur then fast and precise recovery must be achievable.