Which groundbreaking invention first combined barcode scanning with integrated electronic payment processing and inventory management in a single POS system?

The history of retail technology is filled with fascinating inventions that transformed how we shop and pay. Point of Sale (POS) systems have evolved dramatically from simple cash registers to sophisticated retail management platforms. This poll tests your knowledge about a pivotal invention that revolutionized retail transactions and inventory management worldwide. Can you identify the correct breakthrough that changed retail forever?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

IBM's 3660 Supermarket System (1973)
NCR's Data Terminal 2000 (1982)
Fujitsu's POS-VISION (1979)
Casio's Electronic Cash Register (1976)