... method, it would involve saving up all the transactions throughout the day and processing them in one go. This would reduce customer satisfaction as transactions would take longer and would be a waste of time every evening from the banks point of view. Other methods such as multi-user or distributed data processing are impractical and would not suit the job as the transaction method does. 2)i) Validity of data is very much different to the accuracy of data. For example, data could be valid but also inaccurate if it is presented in the wrong format. Accuracy can be defined as the condition or quality of being true, correct, or exact and free from error or defect which could be the case, however could still not be accepted due to the pre-determined parameters, making the data invalid. For example, there might be a pre-determined parameter that a number needs to be entered to ...

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