A POS terminal functions through a series of coordinated steps:

• Transaction Initiation: The customer selects the goods or services they wish to purchase.
• Data Input: The terminal records transaction details via a manual entry or other input methods.
• Payment Processing: Customers pay using methods such as cash, credit/debit cards, or mobile wallets. The terminal connects to the payment gateway to authorize payments.
• Receipt Generation: A receipt is issued – either printed or sent electronically.
• Data Storage: Transaction information is stored securely, enabling reporting, inventory updates, and customer insights.

These steps occur within seconds, offering both speed and reliability to businesses and their customers.


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