Qus: Which of the following is used for contactless payment?

Qusसंपर्क रहित भुगतान के लिए निम्नलिखित में से किसका उपयोग किया जाता है?

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A. Barcode Reader
B. QR Scanner
C. NFC Device
D. MICR

Solution

C. NFC Device

Explanation

NFC (Near Field Communication) is a short-range wireless communication technology that allows two devices to exchange data when they are brought very close (usually within 4 cm).