1. What are the inputs, processing, and outputs of UPS's package tracking system?
Inputs: firstly, the scannable bar-coded should be pasted to the package, there are some information on the scannable bar-coded, like the sender, the destination, and the time of the package arrive. And then, customer could get own labels by UPS. For example, people could go to the UPS web site and use special software to download this information. The data off labels would be delivered to the UPS's computer centre that nearest final destination, before the package pick up. Furthermore, workers should download these labels information by using UPS software and establish some special delivery route for every driver; people should consider some factors that affect package transmission, like traffic, weather conditions, and the location of every stop. Processing: there are some points that through from the sender and the receiver. Bar code equipment could scan labels to get some package information and send these data to the centre computer. By this way, customer also could check package information from web site, customer could check the data that extreme detailed, it contains delivery routes, calculates hipping route, determining time in transit, and so on. Outputs: first of all, the data that collected from web site are transported to the centre computer and back to the customers. Moreover, UPS also provides some tools that convenient customer to visit own web site, like Cisco system, it can be embed UPS function.