Which retail innovation is widely considered the first modern electronic point of sale (POS) system, revolutionizing retail transaction processing in the 1970s?

The modern shopping experience has been shaped by technological innovations that we now take for granted. Point of sale (POS) systems have dramatically transformed how retailers process transactions, manage inventory, and understand customer behavior. But do you know when this retail revolution began? Test your knowledge about the historical development of POS systems that laid the foundation for today's sophisticated retail technology landscape.

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IBM's 3660 Supermarket System
NCR's Class 5 mechanical cash register
Apple's Lisa Store Management System
Casio's EX-1 Electronic Register