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changes in another, and all data relating to employee
hours in still another.
Communicating data
After collecting the data, the PTC must either
transmit it to a host computer for processing or send
it to a printer, or both, to make it useful to you and
your organization.
Once the host computer receives the data from the
PTC, it uses that data to update its master files and
records. In some cases, the host computer may even
transmit data back to the PTC, asking you, as the
PTC's operator, to perform a new task.
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