page_title: Cash register
section_title: Self-service cash register
hierarchical_section_title: Cash register / Self-service cash register
caption_attribution_description: English: Self checkout machine at Home Depot store #566 Pin Oak, Houston, TX Español: Caja registradora autoservicio del sucursal #566 de Home Depot Pin Oak, Houston, TX Français&#160;: Caisse enregistreuse de self-checking de Home Depot du magasin de Home Depot Pin Oak, Houston, TX
context_page_description: A cash register or till is a mechanical or electronic device for registering and calculating transactions at a point of sale. It is usually attached to a drawer for storing cash and other valuables. A modern cash register is usually attached to a printer that can print out receipts for record-keeping purposes.
context_section_description: Some corporations and supermarkets have introduced self-checkout machines, where the customer is trusted to scan the barcodes (or manually identify uncoded items like fruit), and place the items into a bagging area. The bag is weighed, and the machine halts the checkout when the weight of something in the bag does not match the weight in the inventory database. Normally, an employee is watching over several such checkouts to prevent theft or exploitation of the machines' weaknesses (for example, intentional misidentification of expensive produce or dry goods). Payment on these machines is accepted by debit card/credit card, or cash via coin slot and bank note scanner. Store employees are also needed to authorize "age-restricted" purchases, such as alcohol, solvents or knives, which can either be done remotely by the employee observing the self-checkout, or by means of a "store login" which the operator has to enter.
caption: Self-checkout machine at Home Depot store, Pin Oak, Houston, Texas
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