Particularly, he proposes that numerous intra-type differences can be explained by proposing a second dimension of personality which has processing functions of its own.
In many respects, the transaction processing function resembles banking, and several toll agencies have contracted out transaction processing to a bank.
It allows the tester to treat the processing functions as simple labels, whose detailed behaviour may be safely ignored, while testing the state machine of the next integration layer.
It supports features such as multilingual support, keyboard drivers, handwriting recognition, speech recognition, as well as spell checking and other text and natural language processing functions.
In the machine vision field, a single compact unit which combines the imaging functions and the complete image processing functions is often called a smart sensor.