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  2. Transaction processing - Wikipedia

    en.wikipedia.org/wiki/Transaction_processing

    Transaction processing guards against hardware and software errors that might leave a transaction partially completed. If the computer system crashes in the middle of a transaction, the transaction processing system guarantees that all operations in any uncommitted transactions are cancelled. Generally, transactions are issued concurrently.

  3. Transaction processing system - Wikipedia

    en.wikipedia.org/wiki/Transaction_processing_system

    A Transaction Processing System (TPS) is an information system that collects, stores, modifies, and retrieves the data transactions of an enterprise. Transaction processing systems also attempt to provide predictable response times to requests, although this is not as critical as real-time systems.

  4. Online transaction processing - Wikipedia

    en.wikipedia.org/wiki/Online_transaction_processing

    OLTP has also been used to refer to processing in which the system responds immediately to user requests. An automated teller machine (ATM) for a bank is an example of a commercial transaction processing application. [3] Online transaction processing applications have high throughput and are insert- or update-intensive in database management.

  5. Payment processor - Wikipedia

    en.wikipedia.org/wiki/Payment_processor

    The typical network architecture for modern online payment systems is a chain of service providers, each providing unique value to the payment transaction, and each adding cost to the transaction: merchant, point-of-sale (PoS) software as a service (SaaS), aggregator, credit card network, and bank.

  6. Automated clearing house - Wikipedia

    en.wikipedia.org/wiki/Automated_Clearing_House

    The bank gathers all transaction initiations for an ACH that arrive from different customers (combining manual and file-based). On a periodic basis, the bank creates a file that it dispatches to the ACH either at the end of day or in cycles throughout the day.

  7. Why some US bank deposits are held up days after 'processing ...

    www.aol.com/finance/why-us-bank-deposits-held...

    The private company that processes many bank-to-bank electronic transfers said a 'processing error' last week led to payment delays on roughly 850,000 transactions.

  8. Payment system - Wikipedia

    en.wikipedia.org/wiki/Payment_system

    [1] [2] A payment system is an operational network which links bank accounts and provides for monetary exchange using bank deposits. [3] Some payment systems also include credit mechanisms, which are essentially a different aspect of payment. Payment systems are used in lieu of tendering cash in domestic and international transactions. This ...

  9. Merchant services - Wikipedia

    en.wikipedia.org/wiki/Merchant_services

    Online transaction processing; Point of sale (POS) systems; Electronic benefit transfer programs, such as ration stamps (called food stamps in the U.S.). Merchant service providers work as an intermediary between the bank, a person or organisation wanting to receive funds and the person or organisation looking to purchase goods or services. The ...

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