Page 19 - slides.dvi
P. 19
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2.
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Operating
Also
do
areas
own
Systems
share
share
in
all
divide
provides
—
Operating
protect
present
allocate
a
Regardless
Remainder
up
a
usually
this
CPU
of
virtual
turn.
Functions
of
and
.
set
physical
.
(in
System
want
of
virtual
this
within
storage
to
address
applications
protect
time)
part
the
structure,
of
space
resources
and
from
OS
machine:
space,
by
Functions
(relatively)
the
abstract
context
memory,
each
needs
of
using
provide
between
away
and
a
course
to
hardware
other,
each
filing
will
from
them.
yet
provide
security
app
securely
look
grungy
at
with
systems,
a
independent
and
each
multiplex
framework.
applications
of
harware,
virtual
virtual
the
i.e.
with
OS
their
resources:
above
devices,
processor,
15