What is a QR code? Instructions on how to scan QR codes quickly and conveniently

QR code for young people today is not too strange anymore, because it is applied in many activities such as buying tickets, paying money, making medical declarations,… However, you already know how to scan QR code quickly, as well as really know what a QR is, let’s find out with lassho.edu.vn!

What is QR code?

What is QR code?

QR aka Quick Response Code – ‘quick response code’. A type of two-dimensional barcode developed in 1994 by Denso Wave, a Japanese barcode developer.

QR codes can be scanned by smartphone devices . These codes are generated using an online QR code generator and display the information online to the scanner when scanned.

Today, QR codes are commonly used in advertising, business, healthcare and education. You can find QR codes in brochures, flyers, posters, billboards, items and products, business cards, and even online sites such as social media and websites. shopping site.

There are two types of QR codes: static QR codes and dynamic QR codes.

Scan QR code for what?

Scan QR code for what?

More data is transferred and data is transferred faster . Speed is one of the big advantages of using QR codes.

With QR code correction, they can withstand damage and still scan.

QR codes are also much more accessible than standard barcodes. Conventional digital image sensors can scan two-dimensional QR codes. So it’s easy to turn a mobile phone camera into a QR code scanner.

They are also inexpensive and easy to create, maintain, and use.

Instructions for scanning QR codes

How to scan qr code on phone

Step 1 Open Camera on your phone. Tap the Camera app icon.

How to scan qr code on phone

Step 2 Point the camera at the QR code. Your phone will focus on the QR code after a short moment.

Step 3 Make sure the QR code is centered on your screen. All four sides of the QR code should be on your screen.

How to scan qr code on phone

Step 4 When a QR code is centered on your iPhone screen, it scans almost instantly.

Step 5 Open the content of the QR code. Tap the notification that appears at the top of the screen to open a web page of a QR code or other information.

How to scan qr code on phone

Scan the QR code on the computer

Step 1 Access QR Code (Generator and Reader) on Chrome browser.

Scan the QR code on the computer

Step 2 Select Add Extension.

Scan the QR code on the computer

Step 3 Go to the QR code you want to scan and right click on the QR code. Then select QR Code (Generator and Reader) and click Scan QR Code.

Scan the QR code on the computer

Step 4 After scanning it will display the results.

Scan the QR code on the computer

Hopefully with the above information, lassho.edu.vn has partly helped you better understand what a QR code is, as well as how to use the code on phones and computers!

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