What is QR code and How QR code Works | Difference Of Bar Code and QR Code | Mechanism of QR Code
What is QR code and How QR code Works | Difference Of Bar Code and QR Code | Mechanism of QR Code
Most people have used the QR Code to pay for mobile wallet like Paytm, Mobikwik, or to open WhatsApp on the computer. It is being used for secure-safe transactions and billing. QR codes are in the form of small squares of black and white pattern. You can see them in the product, magazine and news paper. But the big question arises that QR code is finally what? In what places are the use of the QR code? What is the mechanism behind it. After all how does this work.QR in QR code means Quick Response. In fact, they are designed to read faster, that is, it is called QR code. This is an upgraded version of the old barcode. It is read through a dedicated QR code reader or smartphone. Most smartphones have the flexibility to read the QR code. If your phone does not have this type of functionality then you can install the QR Code Reader app. Different apps can be found for different OS platforms.QR code is considered to be more safe for payment service because it has two dimensional barcodes. They are read from a QR code reader or smartphone. The QR code is used to convert special information into encode. The QR code can be linked directly to text, email, website, phone number, and more. When you scan the QR code printed on any item, then you can go straight to these sites, where there is more information about that product. As it has been told earlier that the QR code is an updated version of the old barcode. Bar code usage is for pricing, billing counting, tagging, etc. on shopping goods or large grocery stores. This led to our easy life, but its limitations.
Barcode is only 1 dimensional (1D). Stores data in a specific angle. If the scanner is not in the right angle, then it will not be a barcode scan.
2- Storage Capacity: Only 20 characters can be stored in barcode.
3- Size: The more characters, the longer the barcode, the longer the character. Printing a long barcode on a small product is a challenge.
4- Vulnerable: Barcode can expire after some time. It also stops working on any kind of scratch when it comes to the code.
5 - Encoding: Barcode can encode only alphanumeric characters.
To overcome these limitations of barcode, work on 2D barcode development began in 1994, it was developed by Denso Wave, a Japanese subsidiary of the car maker Toyota Group. QR code was first used to track inventory in automobile, pharmaceutical and retail industries. Now they are being used in almost every field. Especially in terms of payment and finance sector, its use is increasing rapidly.
Advantages of QR Code
1- Storage Capacity: The QR code can store 7,089 numeric characters (without space). 2,953 Alphanumeric Characters Can Store With Space And Punctuation.
2 - Small size: The QR code for the same data takes less space than the barcode.
3- Orientation: QR code can be scanned by 360 degree any angle.
4- Encoding: QR code can encode numeric, alphanumeric, binary and kanji characters.
5- Error correction: Despite the QR code being bad (up to 30%), it can also be scanned.
QR code is available in many different types of markets. By the way, the type of QR code will be opened on the basis of its size and scan it, depending on both of them. It is available from URL, as well as code and SMS.
1- URL: After scanning this QR code, you go directly to the Save website address in it.
2- Business and Visiting Cards : After scanning these Business QR codes, it will save the names of names, addresses, phone numbers, e-mail etc., such as service details.
3- SMS: In this, the phone number of the recipient of the content and SMS is saved. After scanning, the number and content of the SMS to be sent comes automatically, you just need to confirm it and send it.
4- Geo Location: In this QR code, the latitude and longitude of any location is saved. When you scan it, you can see this location directly in the map app of your smartphone.
5- Download Mobile Application: After you scan this QR code, you go directly to the app download address.
6- Get A Coupon: When you scan this coupon QR code, you will be redirected to the coupon landing page in the mobile.
7- Social Network: QR code is also used for social networking. Like after scanning the QR code of Facebook page, you go directly to the Facebook page.
How to scan the QR code?
If you have smartphones, then it has the flexibility to read this code. If not, then download the QR code reader from the app store. Now this code will be automatically scanned and it will link website or item open.
What happens when you scan the QR code?
When you scan the QR code using your smartphone, then you get instant access to the store content. After this, the store link is opened or if it is a business card then the store will be edited in the information contact list.