Which pioneering system is widely credited as the first computerized Point-of-Sale (POS) system used in retail stores?

The invention of Point-of-Sale (POS) systems revolutionized retail by replacing manual cash registers with computerized systems that could track inventory, analyze sales data, and streamline checkout processes. These systems have evolved dramatically since their introduction, transforming from simple electronic cash registers to sophisticated retail management platforms. Test your knowledge about the origins of this game-changing retail technology!

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IBM's 3650 Retail Store System (1973)
NCR's Model 2552 Electronic Register (1968)
McDonald's MICROS System (1974)
Burroughs' B80 Retail Terminal (1970)