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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    For example, the generator polynomial used for the Version 1 QR code (21×21), when 7 error correction bytes are used, is: g ( x ) = x 7 + α 87 x 6 + α 229 x 5 + α 146 x 4 + α 149 x 3 + α 238 x 2 + α 102 x + α 21 {\displaystyle g(x)=x^{7}+\alpha ^{87}x^{6}+\alpha ^{229}x^{5}+\alpha ^{146}x^{4}+\alpha ^{149}x^{3}+\alpha ^{238}x^{2}+\alpha ...

  3. Rectangular Micro QR Code - Wikipedia

    en.wikipedia.org/wiki/Rectangular_Micro_QR_Code

    Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.

  4. High Capacity Color Barcode - Wikipedia

    en.wikipedia.org/wiki/High_Capacity_Color_Barcode

    High Capacity Color Barcode (HCCB) is a technology developed by Microsoft for encoding data in a 2D "barcode" using clusters of colored triangles instead of the square pixels conventionally associated with 2D barcodes or QR codes.

  5. QR CODES IN EDUCATION AND COMMUNICATION

    files.eric.ed.gov/fulltext/EJ1097236.pdf

    According to Figure 3, mobile traffic data in 2014 were thirty times more than the total Internet traffic data in 2000. Figure: 1 2015 – 2019 Mobile data traffic by application TB by month (Cisco, 2015) When the graph in Figure 4 is examined, it is seen that two-third of the mobile data traffic will be of videos.

  6. QR Codes 101 - ed

    files.eric.ed.gov/fulltext/EJ982842.pdf

    1. Find a QR code generator. 2. Choose the type of code you want to create. 3. Enter the information. 4. Click Submit. 5. The QR code should appear on your screen. Copy and paste it, or save it to your com-puter as an image file for future use. Easy, right? Just the same, here are a few tips to help you avoid problems: Print QR codes at least ...

  7. A Deeper Dive into QR Codes for Professional Development - ed

    community.lincs.ed.gov/group/21/discussion/...

    Nell Eckersley wrote on our 12 Days of QR Code Discussion: "One of the frustrating challenges I've experienced when presenting to a large group or working with a group of people for whom I didn’t have email addresses, is how to get everyone to the same place online at the same time.

  8. Wikipedia:WikiProject QRpedia/user guide - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    There is no QRpedia API, but you can use, say, the Google QR code API (other QR code APIs exist) to generate a code with the relevant qrwp.org short URL. for example: http://en.qrwp.org/Amsterdam. or: http://sv.qrwp.org/Vincent_van_Gogh. Note the use of underscores in the latter; and that you can use any two-letter language code ("en, "sv", etc ...

  9. Add or disable 2-step verification for extra security - AOL Help

    help.aol.com/articles/2-step-verification...

    6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1. Sign in to...

  10. Reed–Solomon error correction - Wikipedia

    en.wikipedia.org/wiki/Reed–Solomon_error...

    Almost all two-dimensional bar codes such as PDF-417, MaxiCode, Datamatrix, QR Code, and Aztec Code use Reed–Solomon error correction to allow correct reading even if a portion of the bar code is damaged. When the bar code scanner cannot recognize a bar code symbol, it will treat it as an erasure.

  11. QR code payment - Wikipedia

    en.wikipedia.org/wiki/QR_code_payment

    QR code payment. QR code payment is a contactless payment method where payment is performed by scanning a QR code from a mobile app. [1] This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. [2]

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