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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12-24
THE
x86 MICROPROCESSORS
l There are different types of ROM available, some of which are erasable and re-
programmable.
l NVRAM is used to store configuration settings and system time in a PC.
l A ‘cache’ is a type of SRAM placed between the main memory and the processor.
l The cache is where working data and code are expected to be found in.
l The size of cache is small, and mapping techniques dictate which blocks of the large
main memory are to be copied to the small cache.
l Direct mapping is the simplest and most economical type of mapping.
l Fully associative mapping is very efficient but complex.
l Most systems use either direct mapping ...
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