
THE 80286 AND 80386 PROCESSORS 515
In case it is not found there, it should be brought thereto from the hard disk. is takes a small
amount of time. is is the reason why we fi nd our computer ‘slow’ if the RAM size is low.
However, even if the RAM is of a large capacity, it is not necessary that our application fi les are
currently present there. Managing the system such that important fi les are found in the main
memory most of the time, is part of the ‘cleverness’ of the operating system.
Does this mean that the ’386 processor does all this? Defi nitely not, but the processor
provides the extra hardware, extra instructions, and an intelligent ...