Fastag，条形码，QR码和NFC之间的区别

1. Fastag：
Fastag是在印度缴纳通行税的一种快捷简便的方法。它由印度国家支付公司(NPCI)开发，并由印度国家公路管理局使用。车辆在汽车，公共汽车，卡车或出租车的玻璃上或摩托车的引擎盖上都有印刷的标签。然后扫描该打印的标签，并由驾驶员的首选和选定的支付银行进行支付。

Paytm应用的Fastag选项

2.条码：
条形码是一种图形方法，可用于检索存储的号码。数据以竖线形式存储，由扫描仪扫描并由计算机读取。此方法广泛用于开票时购物中心，医院中的患者识别，租车跟踪以及核废料和邮件跟踪。

扫描到GeeksforGeeks的条形码

3. QR码：
QR码是1994年开发的一种条形码。它是由日本Denso Wave公司开发的。它们本质上是二维的。可以通过QR扫描仪对其进行扫描，以检索存储在其中的信息。他们可以存储数字和多媒体数据。

扫描到www.geeksforgeeks.org的QR码

4.近场通信(NFC)：
NFC技术是当今非常著名的技术。它也被称为近场通信技术。它是由Phillips和Sony在2002年开发的。它概述了放置在4厘米范围内的设备之间进行通信的一组规则。它广泛用于无现金支付领域。

扬声器上的NFC

Fastag，条形码，QR码和NFC之间的区别：

S.No.	Fastag	Barcode	QR code	NFC
1.	It was introduced in the year 2014.	It was introduced in the year 1952.	It was introduced in the year 1994.	It was introduced in the year 2002.
2.	Its developer is National Payments Corporation of India.	Its developer is Norman Joseph Woodland.	Its developer is Masahiro Hara.	Its developer is Franz Amtmann and Philippe Mangars.
3.	There is only 1 type of Fastag.	There are 2 types of Barcode, 1 dimensional and 2 dimensional.	There is only 1 type of QR Code.	There is only 1 type of NFC.
4.	It is a technology for collection of toll taxes, using the RFID technology.	It is a way of storing numbers in a printed format that is also computer understandable.	It is a type of 2 dimensional barcode or printed representation of data that can be scanned for data retrieval.	It provides a protocol for communication or interaction between devices (electronic) within 4m of distance.
5.	The user is National Highway Authority of India (NHAI). NHAI uses it for collection of toll taxes. General public use it for paying of toll tax.	It is used at stores for tracking all purchased items, in hospitals for tracking the records of patients, in rental cars business and tracking of airline luggage, mails and nuclear waste.	It is used in supermarkets, hospitals, cinema or by individuals etc. for transfer of data (sharing contacts, photos, videos and other documents.).	It is used as identity cards, as key cards and as a method of contactless payments and mobile payments in various sectors such as retail, automobile, cinema etc.
6.	It is inspired by the RFID technology.	It is inspired by the Morse Code technology.	It is inspired by the Morse Code technology.	It is inspired by the inductive coupling between antennas of the connecting devices.
7.	It is cost effective.	It is cost effective.	It is cost effective.	It is not cost effective.
8.	The storage capacity is 3 kilobytes.	The storage capacity is greater than 100 bytes.	The storage capacity is 2 kilobytes.	The storage capacity is 48 bytes to 8 kilobytes.	9.	Several Fastags are processed at an instant.	Only 1 barcode is processed at an instant.	Only 1 QR code is processed at an instant.	Only 1 NFC is processed at an instant.	10.	There is one way communication..	There is one way communication.	There is one way communication..	There is two way communication.	11.	Its popularity is high.	Its popularity is very high.	Its popularity is very high.	Its popularity is very moderate.