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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_code

    QR codes can be used on various mobile device operating systems. Both Android and iOS devices can natively scan QR codes without downloading an external app. The camera app is able to scan and display the kind of QR code along with the link .

  3. 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 your AOL account with your password. 2. Enter the verification code shown in your authenticator app. 3. Click Verify.

  4. QR reader boarding pass: How does it work? - Air Travel Forum

    www.tripadvisor.com/ShowTopic-g1-i10702-k4887012...

    You complete OLCI as normal and then select send the boarding pass to a phone option. You then open it and it shows a QR code which is held to the scanners at the airport. Many airlines have specific apps which are geared up to issuing QR boarding passes. Pretty efficient system IMO. Edited: 12 years ago.

  5. EICAR test file - Wikipedia

    en.wikipedia.org/wiki/EICAR_test_file

    The EICAR Anti-Virus Test File [1] or EICAR test file is a computer file that was developed by the European Institute for Computer Antivirus Research (EICAR) and Computer Antivirus Research Organization (CARO) to test the response of computer antivirus (AV) programs. [2] Instead of using real malware, which could cause real damage, this test ...

  6. Barcode Scanner (application) - Wikipedia

    en.wikipedia.org/wiki/Barcode_Scanner_(application)

    Barcode Scanner scanning a QR code. The application Barcode Scanner is an Android app, from the open-source project ZXing (short for Zebra Crossing ), that allows an Android device with imaging hardware (a built-in camera) to scan barcodes or 2D barcodes and retrieve the data encoded. [2] Information encoded often includes web addresses ...

  7. Barcode reader - Wikipedia

    en.wikipedia.org/wiki/Barcode_reader

    Barcode reader. A stationary barcode scanner for a conveyor line. A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.

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