Which company invented the first commercially successful mechanical cash register in 1879, fundamentally changing retail operations?

Before modern point-of-sale systems transformed retail forever, cash registers were the cornerstone of retail transactions. This poll tests your knowledge about a pivotal moment in retail history that changed how stores managed transactions and prevented employee theft. The invention of this technology created ripple effects we still see in modern retail systems today.

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National Cash Register (NCR)
International Business Machines (IBM)
Burroughs Adding Machine Company
Western Electric Company