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a transaction is:

a series of events important to an organisation that involve a request, an acknowledgement, an action and an outcome

the components of a transaction processing system, including:

purpose, data, information technology, processes and participants.

batch transaction processing

the collection and storage of data for processing at a scheduled time or when there is sufficient data

real time transaction processing

the immediate processing of data

the significance of data validation in transaction processing

Historically, Transaction Processing systems have been one of the great drivers for computing development, along wtih gaming and internet applications.

The presentaion below the carousel gives an overview of these topics. They are explored further in the remaining topics.

The image carousel shows some examples of Transaction Processing Systems used in the world.