Many students have jobs, and an extended school day would decrease the hours they could work.
Answer:
NFC technology
Explanation:
NFC stands for near-field communication , which consist of a set of protocols that allows two devices to exchange information.
In the examples above, the flow of information occurred from the phone (which contains the data regarding how much money you put in) and the terminal (which contains data regarding product price). By tapping the phone, the consumers initiate the exchange of information and the balance in the phone will be automatically deducted by the price in the terminal.
