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80386
In chapter 0000, you saw the details
of the 8088 CPU and the 80286 CPU. The 80386 offering
was backward compatible to the two previous CPUs, however it
represented a fundamental difference in design philosophy.
In simple terms, the 80386 CPU was designed with multitasking
in mind. The idea was to make the 80386 operate as if it was
a bunch of 8088/8086 CPUs, with each able to address its
own section of memory. This way a user could have multiple programs
loaded at the same time, and the CPU could use 'round robin'
processing, so the end user would experience several programs running
at the same time.
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CertiGuide to A+ (Core Hardware) (http://www.CertiGuide.com/aplush/) on CertiGuide.com
Version 1.0 - Version Date: December 6, 2004
Adapted with permission from a work created by Tcat Houser.
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