GyanGramWith reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are corre…
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With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct?
1. It is a contactless communication technology that uses electromagnetic radio fields
2. NFC is designed for use by devices which can be at a distance of even a metre from each other
3. NFC can use encryption when sending sensitive information.
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• Correct Answer: C
• NFC uses 13.56 MHz electromagnetic induction for contactless short-range (<4 cm) communication with encryption support.
• Statement 2 is incorrect: NFC range is centimetric, not up to one metre.
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