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  2. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    PHP – PHP code file; PYK – PYK compressed file; PK3 – PK3 Quake 3 archive (see note on Doom³) PK4 – PK4 Doom³ archive (opens similarly to a zip archive.) PNJ – a sub-format of the MNG file format, used for encapsulating JPEG files [3] PXZ – a compressed layered image file used for the image editing website, pixlr.com; PY, PYW ...

  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. Course Hero - Wikipedia

    en.wikipedia.org/wiki/Course_Hero

    Course Hero's Use Policy states that users must be authorized to post the file, however Course Hero does not verify this or notify copyright holders prior to submissions being uploaded. These files include exams and their keys, quizzes and their keys, study guides written by instructors. [11]

  5. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex , bidirectional traffic.

  6. MSWLogo - Wikipedia

    en.wikipedia.org/wiki/MSWLogo

    It is free and open-source software, with source code available, in Borland C++. MSWLogo supports multiple turtle graphics , 3D computer graphics , and allows input from ports COM and LPT . It also supports a Windows interface, so input/output (I/O) is available through this GUI, and keyboard and mouse events can trigger interrupts.

  7. Acorn Archimedes - Wikipedia

    en.wikipedia.org/wiki/Acorn_Archimedes

    The Acorn Archimedes is a family of personal computers designed by Acorn Computers of Cambridge, England.The systems in this family use Acorn's own ARM architecture processors and initially ran the Arthur operating system, with later models introducing RISC OS and, in a separate workstation range, RISC iX.

  8. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers.

  9. Nintendo 64 - Wikipedia

    en.wikipedia.org/wiki/Nintendo_64

    Nintendo 64 games generally used faster and more compact 32-bit data-operations, [73] as these were sufficient to generate 3D-scene data for the console's RSP (Reality Signal Processor) unit. In addition, 32-bit code executes faster and requires less storage space (which is at a premium on the Nintendo 64's cartridges).