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  2. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    The original IBM PC could be equipped with as little as 16 KB of RAM and typically had between 64 and 640 KB; depending on the amount of equipped memory, the computer's 4.77 MHz 8088 required between 5 seconds and 1.5 minutes to complete the POST and there was no way to skip it.

  3. Beeper (software) - Wikipedia

    en.wikipedia.org/wiki/Beeper_(software)

    Beeper Mini was a version of the application focused on supporting iMessage on Android.. In 2023, James Gill – a 16-year-old Saucon Valley High School student at the time – reverse engineered Apple's iMessage instant messaging protocol after inspecting the network traffic generated by Apple Music on Windows and by iMessage on macOS.

  4. PC speaker - Wikipedia

    en.wikipedia.org/wiki/PC_speaker

    Programming the PC Speaker, by Mark Feldman for PC-GPE. Programming the PC Speaker, by Phil Inch: part 1, part 2 (includes a very detailed explanation of how to play back PCM audio on the PC speaker, and why it works) Bleeper Music Maker A freeware to use the PC speaker to make music (superseded by BaWaMI) Beep for Linux and Windows, by Frank ...

  5. Digital pattern generator - Wikipedia

    en.wikipedia.org/wiki/Digital_pattern_generator

    Digital pattern generators are today available as stand-alone units, add-on hardware modules for other equipment such as a [logic analyzer] or as PC-based equipment.. Stand-alone units are self-contained devices that include everything from the user interface to define the patterns that should be generated to the electronic equipment that actually generates the output signal.

  6. Alt code - Wikipedia

    en.wikipedia.org/wiki/Alt_code

    On IBM PC compatible personal computers from the 1980s, the BIOS allowed the user to hold down the Alt key and type a decimal number on the keypad. It would place the corresponding code into the keyboard buffer so that it would look (almost) as if the code had been entered by a single keystroke.

  7. List of Microsoft codenames - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_codenames

    Windows 7Windows 7: The number 7 comes from incrementing the internal version number of Windows Vista (6.0) by one. Often incorrectly referred to as Blackcomb or Vienna, while the codenames actually refer to an earlier Vista successor project that was cancelled due to scope creep. [43] [50] [51] Windows Server 7Windows Server 2008 R2 ...

  8. Beeper - Wikipedia

    en.wikipedia.org/wiki/Beeper

    Download as PDF; Printable version; ... A beeper is a device that makes a beep sound. Beeper may also refer to: Devices. Avalanche transceiver; Buzzer; Pager; PC ...

  9. Macintosh startup - Wikipedia

    en.wikipedia.org/wiki/Macintosh_startup

    A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system. It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and from the Batman character Two-Face . [ 10 ]