条码与NFC的区别

1. 条码：
条形码是一种使用行和空格存储数字数据的方法。它以计算机可读格式存储，条形码扫描仪可以使用激光读取。它可以向前和向后阅读。该技术在商店中用于跟踪购买的物品。它也广泛用于其他部门，如医院、邮政和汽车租赁业务。

扫描到 GeeksforGeeks 的条形码

2.近场通信(NFC) ：
NFC 或近场通信是一种在距离不超过 1.5 英寸或 4 厘米的两个设备之间进行通信的方式。这是由菲利普斯和索尼于 2002 年开发的。它用于无现金支付、移动支付、身份证、钥匙卡等。

扬声器上的 NFC

条码与NFC的区别：

S.No.	Barcode	NFC
1.	It was developed in 1952.	It was developed in 2002.
2.	It was developed by Norman Joseph Woodland.	It was developed by Franz Amtmann and Philippe Mangars.
3.	It is of 2 types, 1 dimensional and 2 dimensional.	It is only of 1 type.
4.	It is a way of storing numbers in a printed and computer understandable format.	It is a communication protocol for communication between devices (electronic) within a distance of 4cm.
5.	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 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 based on Morse Code technology.	It is based on inductive coupling between antennas of the devices.
7.	It requires line of sight.	It requires proximity (distance between the devices must be less than 4 centimeters, hence the name, Near field).
8.	Only one barcode is examined at once.	Only one NFC is examined at once.