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  2. PC speaker - Wikipedia

    en.wikipedia.org/wiki/PC_speaker

    4-pin speaker connector (marked SPK) on motherboard Tiny moving-iron PC speaker uses 4-pin 2-wire connection. In some applications, the PC speaker is affixed directly to the computer's motherboard; in others, including the first IBM Personal Computer, the speaker is attached by wire to a connector on the motherboard. Some PC cases come with a ...

  3. Computer speakers - Wikipedia

    en.wikipedia.org/wiki/Computer_speakers

    Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power supply often via an AC adapter , batteries, or a USB port.

  4. Sound card - Wikipedia

    en.wikipedia.org/wiki/Sound_card

    The speaker hardware was typically limited to square waves. The resulting sound was generally described as "beeps and boops" which resulted in the common nickname beeper. Several companies, most notably Access Software, developed techniques for digital sound reproduction over the PC speaker like RealSound. The resulting audio, while functional ...

  5. List of computer hardware manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_hardware...

    There are a number of other companies (AMD, Microchip, Altera, etc.) making specialized chipsets as part of other ICs, and they are not often found in PC hardware (laptop, desktop or server). There are also a number of now defunct companies (like 3com, DEC, SGI) that produced network related chipsets for us in general computers.

  6. Audio/modem riser - Wikipedia

    en.wikipedia.org/wiki/Audio/modem_riser

    The audio/modem riser (AMR) is a riser expansion slot found on the motherboards of some Pentium III, Pentium 4, Duron, and Athlon personal computers. It was designed by Intel to interface with chipsets and provide analog functionality, such as sound cards and modems , on an expansion card.

  7. Computer maintenance - Wikipedia

    en.wikipedia.org/wiki/Computer_maintenance

    Computer maintenance is the practice of keeping computers in a good state of repair. A computer containing accumulated dust and debris may not run properly. A computer containing accumulated dust and debris may not run properly.