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  2. Code Red (computer worm) - Wikipedia

    en.wikipedia.org/wiki/Code_Red_(computer_worm)

    Code Red was a computer worm observed on the Internet on July 15, 2001. It attacked computers running Microsoft's IIS web server . It was the first large-scale, mixed-threat attack to successfully target enterprise networks.

  3. 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. [5] [6] [7] 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; [8] the pattern of position detection was found and determined by applying the least-used ratio (1:1:3 ...

  4. Clock generator - Wikipedia

    en.wikipedia.org/wiki/Clock_generator

    Circuit diagram of a clock generator A desktop PC clock generator, based on the chip ICS 952018AF and 14.3 MHz resonator (on the left) A laptop PC clock generator, based on the Silego chip. A clock generator is an electronic oscillator that produces a clock signal for use in synchronizing a circuit's operation

  5. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    The United Nations uses a combination of ISO 3166-1 alpha-2 and alpha-3 codes, along with codes that pre-date the creation of ISO 3166, for international vehicle registration codes, which are codes used to identify the issuing country of a vehicle registration plate; some of these codes are currently indeterminately reserved in ISO 3166-1.

  6. UTF-8 - Wikipedia

    en.wikipedia.org/wiki/UTF-8

    As of May 2019, Microsoft added the capability for an application to set UTF-8 as the "code page" for the Windows API, removing the need to use UTF-16; and more recently has recommended programmers use UTF-8, [65] and even states "UTF-16 [...] is a unique burden that Windows places on code that targets multiple platforms".

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