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What are the differences between QR code and NFC?
Let us understand the concepts of QR code and Near Field Communication (NFC).
QR code is called "Quick Response", it allows us to encode or store over 4500 characters in a two-dimensional bar code.These codes are the "square barcodes" that were initially developed and used in Japan.
The main aim of the QR code is to store the information in such a way that the machine (scanner) can be able to read the data present in the code.
Uses of QR codes
QR codes can be used for storing data like −
Online conferences via zoom app
Online one time passwords(OTP)
Online accounts authentication and many more
The advantages of QR Code are as follows −
We can scan anywhere using mobile
Reduce paper usage
Free and inexpensive
Benefit for customer and business people
The disadvantages of QR Code are as follows −
People are not familiar
Requires mobile with camera feature to scan
Sometimes QR code cannot read properly
Given below is the sample image of QR code −
Near Field Communication (NFC)
NFC operates within a radius of about 4 cm and also provides a wireless connection between your device and another device. It allows for two-way communication, with both devices involved and is able to send and receive information. This NFC connection does not depend on Wi-Fi, 3G, LTE or otherwise, and it doesn't cost anything to use.
With the help of a credit card which is linked to the device it is helpful to make payments by simply holding your device near an NFC-enabled payment machine. There are many other uses for NFC as well. Examples include: Paying a fare on public transit, such as a bus or train
The advantages of NFC are as follows −
Used for multiple applications
More security when compared to other technology
Compatibility with RFID technology
The disadvantages of NFC are as follows −
Company agreement is required to Use
Works for shorter distance
Slow data transfer rate
Not advantage for users
Power consumption is more
Given below is the sample image of NFC −
The major differences between QR code and NFC are as follows −
|NFC code was created and developed by Franz and Philippian the year 2002.||QR code was created and developed by Masahiro Hara in 1994.|
|NFC is one type.||QR Code is one type.|
|NFC is used for identity cards, contact less payments, mobile payments etc.||QR code is a two dimensional printed representation of data used to scan and retrieval of data|
|The technology used by NFC is inductive coupling between antennas of the connecting devices.||QR code is based on Morse code.|
|NFC storage capacity is up to 8 kilobytes||QR code storage capacity is 2 kilobytes|
|NFC is not cost effective.||QR code is more cost effective but it is easily to deploy|
|Only one NFC can be processed at a time.||At a time only one QR code can be read.|
|NFC popularity is moderate when compared to QR code.||QR code is more popular|
|NFC is a two way communication.||It is one way communication.|
|NFC requires more storage when compared to Fastag , QR code and Barcode||QR code requires less storage when compared to NFC and Fastag.|
|NFC is used for identity cards, contact less payments, mobile payments etc.||QR code used at super markets and different stores to track all purchased products and also used in hospitals, cinema halls etc.|
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