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  2. Power-on self-test - Wikipedia

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

    Beeps Meaning Steady, short beeps Power supply may be bad Long continuous beep tone Memory failure Steady, long beeps Power supply bad No beep Power supply bad, system not plugged in, or power not turned on No beep If everything seems to be functioning correctly there may be a problem with the 'beeper' itself.

  3. Beep (sound) - Wikipedia

    en.wikipedia.org/wiki/Beep_(sound)

    A beep is a short, single tone, typically high-pitched, generally made by a computer or other machine. The term has its origin in onomatopoeia . The word "beep-beep" is recorded for the noise of a car horn in 1929, and the modern usage of "beep" for a high-pitched tone is attributed to Arthur C. Clarke in 1951.

  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back PCM audio on the PC speaker, and why it works) Bleeper Music Maker A freeware to use the PC speaker to make music (superseded by BaWaMI) Beep for Linux and Windows, by Frank ...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. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    PC—Personal Computer; PCB—Printed Circuit Board; PCB—Process Control Block; PC DOS—Personal Computer Disc Operating System; PCI—Peripheral Component Interconnect; PCIe—PCI Express; PCI-X—PCI Extended; PCL—Printer Command Language; PCMCIA—Personal Computer Memory Card International Association; PCM—Pulse-Code Modulation

  6. What 'secret' loudspeaker codes mean at department stores - AOL

    www.aol.com/news/2010-10-13-what-secret...

    This "code" is one of many innocuous sounding secret codes that. ... What 'secret' loudspeaker codes mean at department stores. Josh Smith. Updated July 14, 2016 at 9:09 PM.

  7. Error code - Wikipedia

    en.wikipedia.org/wiki/Error_code

    They can also be indicated by lights or beeps, e.g., if a device does not have a display. ... Unix-like systems have an errno.h header file that contains the meanings ...

  8. POST card - Wikipedia

    en.wikipedia.org/wiki/POST_card

    The system introduced on IBM PC computers sends 8-bit byte codes (usually displayed as two hexadecimal digits) to a specified I/O port (usually 80 hex) during startup, some indicating a stage in the startup procedure, others identifying errors. The description for each code must be looked up in a table for the particular BIOS.

  9. Beep - Wikipedia

    en.wikipedia.org/wiki/Beep

    Beep (sound), a single tone onomatopoeia, generally made by a computer or a machine BEEP, a network protocol framework; Beep (locomotive), a locomotive built in 1970 Beep (smart card), contact less card payment scheme in the Philippines initially intended for use in railway stations and some buses.