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  2. QR code - Wikipedia

    en.wikipedia.org/wiki/QR_Code

    The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...

  3. Time and attendance - Wikipedia

    en.wikipedia.org/wiki/Time_and_attendance

    Modern automated time and attendance systems require employees to touch or swipe to identify themselves and record their working hours as they enter or leave the work area. Originally this consisted of using a RFID electronic tag , a barcode or a QR Code badge but these have been replaced by biometrics (vein reader, hand geometry , fingerprint ...

  4. Biometric device - Wikipedia

    en.wikipedia.org/wiki/Biometric_device

    Download QR code; Print/export ... It is also used in attendance in number of colleges and universities. ... Passwords can be forgotten and recovering them can take ...

  5. Check-in QR code - Wikipedia

    en.wikipedia.org/wiki/Check-in_QR_code

    The check-in code or the venue code (Chinese: 场所 码, Chǎngsuǒgmǎ) is a QR code to record check-in locations for contact tracing and epidemiologic investigations. It was widely used in Australia and China during the COVID-19 pandemic in 2020–2022.

  6. What's a six-digit verification code — and why you should ...

    www.aol.com/whats-six-digit-verification-code...

    Never give a verification code to a stranger. No one should ever ask you for a six-digit verification code — not a stranger on social media, not tech support, not even your bank.

  7. Biometrics in schools - Wikipedia

    en.wikipedia.org/wiki/Biometrics_in_schools

    Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... class attendance and payments into schools ...

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