Which innovative retail technology was first introduced by National Cash Register (NCR) in 1879, revolutionizing how merchants recorded sales transactions?

Before digital cash registers and touchscreen terminals transformed retail, the process of recording sales underwent several revolutionary changes. The history of point-of-sale technology reveals how retailers gradually moved from manual methods to sophisticated systems. This poll tests your knowledge of a pivotal moment in retail technology that forever changed how stores operated and tracked their inventory and sales.

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The mechanical cash register with a bell and drawer
The paper receipt printing system
The punch-card inventory tracking system
The coin-operated vending machine