<s>
A	O
bit	B-General_Concept
cell	I-General_Concept
is	O
the	O
length	O
of	O
tape	O
,	O
the	O
area	O
of	O
disc	B-Device
surface	O
,	O
or	O
the	O
part	O
of	O
an	O
integrated	O
circuit	O
in	O
which	O
a	O
single	O
bit	O
is	O
recorded	O
.	O
</s>
<s>
The	O
smaller	O
the	O
bit	B-General_Concept
cells	I-General_Concept
are	O
,	O
the	O
greater	O
the	O
storage	B-Device
density	I-Device
of	O
the	O
medium	O
is	O
.	O
</s>
<s>
In	O
magnetic	B-Architecture
storage	I-Architecture
,	O
the	O
magnetic	O
flux	O
or	O
magnetization	O
does	O
n't	O
necessarily	O
change	O
at	O
the	O
boundaries	O
of	O
bit	B-General_Concept
cells	I-General_Concept
to	O
indicate	O
bit	O
states	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
presence	O
of	O
a	O
magnetic	O
transition	O
within	O
a	O
bit	B-General_Concept
cell	I-General_Concept
might	O
record	O
state	O
1	O
,	O
and	O
the	O
lack	O
of	O
such	O
a	O
transition	O
might	O
record	O
state	O
0	O
.	O
</s>
