Page 11 - slides.dvi
P. 11
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Operating
No
Need
etc.
Oldest
a
.
trash
trash
hoard
Systems
abuse
good
.
Problem:
—
Monolithic
OS
kind
for
I/O
CPU
better
of
another
Structures
fault
&
OS
time.
devices.
software.
applications
solution.
Protection
.
Operating
.
can
structure
application.
S/W
H/W
e.g.
containment
Mechanisms
(or
App.
App.
Systems
Device Driver
(“modern”
Scheduler
App.
App.
multi-user).
Device Driver
examples
are
DOS,
original
MacOS)
7