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Consider the following statements regarding Near Field Communication Technology:
It is a short-range wireless connectivity technology.
It transmits data through electromagnetic radio fields.
It is used in contactless banking cards to perform money transactions.
Which of the statements given above are correct?
- a)1 and 3 only
- b)1 and 2 only
- c)2 and 3 only
- d)1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding Near Field Communication ...
Introduction:
Near Field Communication (NFC) is a short-range wireless connectivity technology that allows for the exchange of data between devices over short distances. It utilizes electromagnetic radio fields to transmit data and is widely used in various applications, including contactless banking cards.
Explanation of each statement:
1. It is a short-range wireless connectivity technology.
This statement is correct. NFC is a short-range communication technology that typically operates within a distance of a few centimeters. It is designed for proximity-based communication between devices.
2. It transmits data through electromagnetic radio fields.
This statement is correct. NFC uses electromagnetic radio fields to establish a connection and transmit data between devices. These radio fields enable the devices to communicate with each other by modulating and demodulating the radio frequency signals.
3. It is used in contactless banking cards to perform money transactions.
This statement is correct. NFC technology is commonly used in contactless payment systems, including contactless banking cards. These cards contain an embedded NFC chip that allows users to make secure transactions by simply tapping or waving the card near an NFC-enabled point-of-sale terminal.
Therefore, all the given statements (1, 2, and 3) are correct.
Conclusion:
Near Field Communication (NFC) is a short-range wireless connectivity technology that transmits data through electromagnetic radio fields. It is extensively used in contactless banking cards for performing secure money transactions. The correct answer is option 'D' as all the statements are true.
Near Field Communication (NFC) is a short-range wireless connectivity technology that allows for the exchange of data between devices over short distances. It utilizes electromagnetic radio fields to transmit data and is widely used in various applications, including contactless banking cards.
Explanation of each statement:
1. It is a short-range wireless connectivity technology.
This statement is correct. NFC is a short-range communication technology that typically operates within a distance of a few centimeters. It is designed for proximity-based communication between devices.
2. It transmits data through electromagnetic radio fields.
This statement is correct. NFC uses electromagnetic radio fields to establish a connection and transmit data between devices. These radio fields enable the devices to communicate with each other by modulating and demodulating the radio frequency signals.
3. It is used in contactless banking cards to perform money transactions.
This statement is correct. NFC technology is commonly used in contactless payment systems, including contactless banking cards. These cards contain an embedded NFC chip that allows users to make secure transactions by simply tapping or waving the card near an NFC-enabled point-of-sale terminal.
Therefore, all the given statements (1, 2, and 3) are correct.
Conclusion:
Near Field Communication (NFC) is a short-range wireless connectivity technology that transmits data through electromagnetic radio fields. It is extensively used in contactless banking cards for performing secure money transactions. The correct answer is option 'D' as all the statements are true.
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Community Answer
Consider the following statements regarding Near Field Communication ...
Near Field Communication Technology:
- Recently, Google Pay has launched the Tap to pay for UPI‘ feature in India, in collaboration with Pine Labs. The feature makes use of Near Field Communication (NFC) technology.
- NFC is a short-range wireless connectivity technology that allows NFC-enabled devices to communicate with each other and transfer information quickly and easily with a single touch. Hence, statement 1 is correct.
- NFC transmits data through electromagnetic radio fields, to enable communication between two devices. Hence, statement 2 is correct.
- NFC-enabled devices must be either physically touching or within a few centimeters from each other for data transfer to occur. To work, both devices must contain NFC chips, as transactions take place within a very short distance.
- Applications of NFC - NFC tech has a wide range of applications besides driving payment services like Google Wallet and Apple Pay.
- It is used in contactless banking cards to perform money transactions or to generate contact-less tickets for public transport. Hence, statement 3 is correct.
- Contactless cards and readers use NFC to secure networks and buildings, monitor inventory and sales, prevent auto theft, keep tabs on library books, and run unmanned toll booths.
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Consider the following statements regarding Near Field Communication Technology: It is a short-range wireless connectivity technology. It transmits data through electromagnetic radio fields. It is used in contactless banking cards to perform money transactions. Which of the statements given above are correct?a)1 and 3 onlyb)1 and 2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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