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Qus : which technology is used in smartphones to enable contactless payments
Qus संपर्क रहित भुगतान करने के लिए स्मार्टफ़ोन में किस तकनीक का उपयोग किया जाता है
A. Infrared
B. NFC (Near Field Communication)
C. Wi-Fi Direct
D. RFID
Solution
B. NFC (Near Field Communication)
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