Page 47 - slides.dvi

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Operating
are
Can
Solution:
request,
External
Systems
External
also
Dynamic
—
loaded
but
have
is
they
compact
Contiguous
OS
P1
P3
P2
leave
partitioning
holes
fragmentation
Allocation
problems
unusable
little
OS
P1
P3
Fragmentation
with
exists
P4
algorithms
because
tiny
periodically.
it
when
OS
is
P3
P4
P1
fragments
suffer
holes
the
split
which
from
total
OS
P3
P4
into
P5
may
external
not
many
OS
P3
P4
P5
available
be
P6
holes.
used.
OS
P3
P5
P4
memory
is
fragmentation:
as
sufficient
for
a
processes
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