<s>
In	O
a	O
computer	O
,	O
it	O
is	O
the	O
time	O
interval	O
between	O
the	O
instant	O
at	O
which	O
an	O
instruction	O
control	O
unit	O
initiates	O
a	O
call	O
for	O
data	O
or	O
a	O
request	O
to	O
store	B-General_Concept
data	O
,	O
and	O
the	O
instant	O
at	O
which	O
delivery	O
of	O
the	O
data	O
is	O
completed	O
or	O
the	O
storage	O
is	O
started	O
.	O
</s>
