Answer Posted / subrahmanyam kambala

micro-kernel based operating systems like minix
device drivers are isolated from kernel and loaded in
their user addressspaces...they will intract with message
passing. speed is very less here because of switching
between kernel and user space and context switching..

macro-kernel based operating systems like windows and linux
device drivers are part of kernel ..to interact with
kernel need not switch to kernel mode...
speed is high..

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