What are the inputs, processing, and the outputs of the UPS’s package 
tracking system? 
The company’s inputs are: package information, customer signature, 
pickup, delivery and timecard data, data location and billing and customer 
clearance documentation. And how they process it is by simply transmitting data 
into the central network. The driver places the DIAD into the UPS truck’s vehicle 
adapter then the package tracking information is then transmitted to UPS’s 
network for storage and processing in the main computers. And the output will be 
the information can be accessed worldwide to provide proof of delivery to the 
customers.