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A major factor in Intel's success during the Seventies was when IBM chose Intel's 8088 processor for their personal computers. The particular computer was called the AT, or Advanced Technology, and it was a decision that baffled many, because of the Intel CPU’s awkward design. The Motorola 68000 microprocessor was chosen for the Apple Lisa and then the cheaper Macintosh.

In 1979 AMD produced arguably the first floating point ‘coprocessor’ for microprocessors, the AMD 9511.

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The Intel 286 processor, which was also called the 80286, was introduced in 1982. This was the first processor able to run software written for previous processors. But the best-selling computer Central Processing Unit of all time was just around the corner. The 386, which released in 1985, featured 275,000 transistors, more than 100 times as many as the 4004, and it was the highest performance commercial processor in the world. It was 32-bit and multi-tasking, which meant that it could run various programs at the same time. The 386 processor changed the personal computing market - the 486, Pentium and even the Pentium III chips are just large 386 chips, albeit with enhanced features.

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Compinfo's Microprocessor Page

AMD Zone

Old Computers.com Museum

Great Microprocessors of the Past and Present

Thousand Oaks Personal Computer Club - History of the Microprocessor

OU Course
M358 Modelling Computer Processes

 
 
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