May 2024
Intermediate to advanced
889 pages
30h 8m
English
book
The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
by Lyla B. Das
Content preview from The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson
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14-50
THE
x86 MICROPROCESSORS
KEY POINTS OF THIS CHAPTER
l The 80286 had many improved features compared to the 8086 and fuelled the
development of the PC-AT and the first Windows based operating system – Windows
3.1.
l The 80386 was the next processor of Intel in which the major change is the increase
in the number of address and data pins to 32.
l This processor can address 4 GB of physical memory.
l It has a number of new instructions, and, also enhancements to some existing
instructions.
l The general-purpose registers of 80386 are 32 bits long.
l It has a number of additional pins compared to its predecessors.
l The idea of virtual memor ...
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