Which company invented the first electronic point-of-sale terminal system with real-time inventory tracking that revolutionized retail in the 1970s?

Point of Sale (POS) systems have transformed how retailers process transactions and manage inventory. What began as simple mechanical cash registers has evolved into sophisticated digital ecosystems that integrate payments, inventory management, customer data, and analytics. Test your knowledge about the pioneering developments that shaped today's retail technology landscape!

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IBM (with their IBM 3650 Retail Store System)
NCR Corporation (with their NCR 280 system)
Fujitsu (with their FTSS-50 terminal)
Digital Equipment Corporation (with their PDT-11 system)