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IBM Personal Computer

Personal computer model released in 1981 / From Wikipedia, the free encyclopedia

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The IBM Personal Computer (model 5150, 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. Released on August 12, 1981, it was created by a team of engineers and designers directed by Don Estridge in Boca Raton, Florida.

Quick facts: Manufacturer, Type, Generation, Release date,...
IBM Personal Computer
IBM Personal Computer with keyboard and monitor
TypePersonal Computer
GenerationFirst generation
Release dateAugust 12, 1981; 41 years ago (1981-08-12)
Introductory priceStarting at US$1,565 (equivalent to $4,665 in 2021)
DiscontinuedApril 2, 1987; 35 years ago (1987-04-02)
Operating system
CPUIntel 8088 @ 4.77 MHz
Memory16 KB – 256 KB (motherboard)
GraphicsMDA, CGA
SoundPC speaker 1-channel square-wave/1-bit digital (PWM-capable)
PredecessorIBM System/23 Datamaster

The machine was based on open architecture and third-party peripherals. Over time, expansion cards and software technology increased to support it.

The PC had a substantial influence on the personal computer market. The specifications of the IBM PC became one of the most popular computer design standards in the world. The only significant competition it faced from a non-compatible platform throughout the 1980s was from the Apple Macintosh product line. The majority of contemporary personal computers are distant descendants of the IBM PC.