Which groundbreaking invention from the 1970s is widely considered the first true electronic point of sale (POS) system that revolutionized retail operations?

The evolution of retail technology has transformed how businesses operate and interact with customers. Point of sale (POS) systems represent one of the most significant technological advancements in retail history, revolutionizing inventory management, customer data collection, and transaction processing. Test your knowledge about the pivotal moments in POS development that shaped today's retail landscape and the inventions that made modern commerce possible.

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The IBM 3660 Supermarket System, which used electronic cash registers connected to a central minicomputer
The NCR 255 Scanning System, which introduced barcode reading but lacked integrated inventory management
The Fujitsu FTSS, the first touchscreen retail system that eliminated physical buttons but required manual inventory updates
The Casio Electronic Register ET-300, which pioneered digital receipts but couldn't connect to other store systems