The personal computer turned 20 yesterday. Although desktop computers existed before 12 August 1981, this date nevertheless marked the beginning of the somewhat questionable era of what used to be called "IBM compatibles". The "IBM 5150 PC" presented in New York shone with a then legendary clock speed of 4.77 MHz. However, IBM obviously failed to patent the PC architecture, so that from the 1980s onwards, compatible cheap computers with Intel chipsets flooded the market, which, together with the spread of the operating systems MS-DOS and later Windows, resulted in an industry worth billions that still rules the computer market almost unchallenged today. The disadvantages of this development are known not least to Atari users. Nevertheless: Happy Birthday, Big Blue! (tr)
The IBM PC turns 20
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