The cashier interacts with the supermarket's Point-of-Sale system by sending and receiving "messages."

Question

Quizplus · Accepted Answer

The cashier interacts with the Point-of-Sale (POS) system by inputting information (e.g., scanning barcodes, entering prices or quantities) and receiving information (e.g., total cost, payment confirmation) from the system, which can be considered as sending and receiving "messages" in a broad sense of communication between the user and the system.

The Cashier Interacts with the Supermarket's Point-Of-Sale System by Sending