Which company created the first commercially successful electronic point-of-sale (POS) system with computerized cash registers in the retail industry?

In the evolving landscape of retail technology, point-of-sale systems have transformed how businesses operate. These systems not only process transactions but collect valuable customer data, manage inventory, and enhance the shopping experience. While today's POS systems are sophisticated digital tools, their origin story reveals how technological innovation can fundamentally reshape an industry and create entirely new business models. Test your knowledge about this pivotal retail technology!

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IBM (with its 3650 Retail Store System in 1973)
NCR Corporation (with its NCR 280 system in 1969)
Fujitsu (with its MART-II system in 1971)
Burroughs Corporation (with its B90 Retail System in 1975)