A PC speaker is a loudspeaker built into some IBM PC compatible computers. The first IBM Personal Computer, model 5150, employed a standard 2.25 inch magnetic...
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Output device (section PC speaker)
Modern computers utilize a piezoelectric buzzer or a small speaker as the PC speaker. PC speakers are used during Power-on self-test to identify errors during...
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speakers, usually small and of restricted sound quality to conserve space. PC speaker Loudspeaker enclosure Altec Lansing. "Our History". Archived from the...
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IBM PC compatible computers were very uncommon until 1988. For the majority IBM PC users, the internal PC speaker was the only way for early PC software...
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IBM PC–compatible refers to a class of computers that are technically similar to the original IBM PC from 1981 (as well as the IBM XT and AT) of computer...
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(PCM)-audio playback on the PC speaker by means of pulse-width modulation (PWM) drive, allowing software control of the loud speaker's amplitude of displacement...
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Sinclair PC200 (redirect from Sinclair PC 200)
CGA-compatible games. The limited MDA and CGA graphical capabilities and PC speaker sound output were greatly inferior compared to other home computers of...
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IBM Personal Computer (redirect from IBM-PC)
commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard...
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IBM Personal Computer XT (redirect from IBM PC-XT)
The IBM Personal Computer XT (model 5160, often shortened to PC/XT) is the second computer in the IBM Personal Computer line, released on March 8, 1983...
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The PC-9800 series (Japanese: PC-9800シリーズ, Hepburn: Pī Shī Kyūsen Happyaku Shirīzu), commonly shortened to PC-98 or 98 (キューハチ, Kyū-hachi), is a lineup...
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Evelyn Denison, 1st Viscount Ossington (redirect from Mr. Speaker Denison)
Denison, 1st Viscount Ossington, PC (27 January 1800 – 7 March 1873) was a British statesman who served as Speaker of the House of Commons from 1857...
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language. The first version (1.0) had monophonic 4-bit output via the PC speaker, as well as 8-bit output via Covox's Speech Thing (a digital-to-analog...
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transceiver Buzzer Pager PC speaker, an internal loudspeaker integrated into most IBM PC compatible computers Piezoelectric speaker, used in early microcomputers...
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Programmable interval timer (category IBM PC compatibles)
historically used for dynamic random access memory refreshes and timer 2 for the PC speaker. The LAPIC in newer Intel systems offers a higher-resolution (one microsecond)...
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two dials underneath the PC-speaker to adjust the brightness of the screen and the volume of the PC-speaker. The PC-speaker in the Compaq Portable 486...
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Sopwith uses four-color CGA graphics and music and sound effects use the PC speaker. A sequel with the same name, but often referred to as Sopwith 2, was...
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Harman Kardon (section Laptop computer speakers)
audible secondary sounds or interference. In 1969 Harman bought the major speaker manufacturer JBL. In 1970 Harman Kardon introduce the CAD5, the world's...
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PC1512 (redirect from Amstrad PC-1512)
The Amstrad PC1512 was Amstrad's mostly IBM PC-compatible computer system, launched in 1986, and advertised with prices from £399 plus VAT. The system...
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The PC-8001 model was also sold in the United States and Canada as the PC-8001A. Original models of the NEC PC-8001B (or sometimes the NEC PC-8000)...
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many built-in functions, like a color and grayscale display controller, PC speaker sound, serial port with UART and IRDA support, UART bootstrap, real time...
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hardware problems. Most also report POST errors with audible beeps, if a PC speaker is attached. Such motherboards make POST cards less necessary. When these...
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The PC System Design Guide (also known as the PC-97, PC-98, PC-99, or PC 2001 specification) is a series of hardware design requirements and recommendations...
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devices. Some examples of output devices are: Computer monitor Printer PC speaker Projector Sound card Video card The control unit (often called a control...
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Intel 8253 (category IBM PC compatibles)
in early models before the 80386). Timer Channel 2 is assigned to the PC speaker. The Intel 82c54 (c for CMOS logic) variant handles up to 10 MHz clock...
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Power-on self-test (section IBM-compatible PC POST)
Later BIOSes used a sequence of beeps from the motherboard-attached PC speaker (if present and working) to signal error codes. Some vendors developed...
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SimCity (1989 video game) (category NEC PC-9801 games)
3.0/3.1. It runs in the Windows GDI with new sounds and music, either PC-Speaker type or digital/MIDI type. In 1992, to coincide with other re-releases...
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the sound quality of the Covox plug is far superior compared to the PC speaker; for some time, a self-built variant was an inexpensive way to give old...
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priority. The few games available suffered from slow video hardware, PC speaker sound and limited color palette when compared to its contemporaries. But...
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crude form of PWM has been used to play back PCM digital sound on the PC speaker, which is driven by only two voltage levels, typically 0 V and 5 V. By...
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