<s>
Fast	B-General_Concept
interrupt	I-General_Concept
request	I-General_Concept
(	O
FIQ	O
)	O
is	O
a	O
specialized	O
type	O
of	O
interrupt	B-General_Concept
request	I-General_Concept
,	O
which	O
is	O
a	O
standard	O
technique	O
used	O
in	O
computer	O
CPUs	O
to	O
deal	O
with	O
events	O
that	O
need	O
to	O
be	O
processed	O
as	O
they	O
occur	O
,	O
such	O
as	O
receiving	O
data	O
from	O
a	O
network	O
card	O
,	O
or	O
keyboard	O
or	O
mouse	O
actions	O
.	O
</s>
<s>
FIQs	O
are	O
specific	O
to	O
the	O
ARM	B-Architecture
architecture	I-Architecture
,	O
which	O
supports	O
two	O
types	O
of	O
interrupts	O
;	O
FIQs	O
for	O
fast	O
,	O
low-latency	O
interrupt	O
handling	O
,	O
and	O
standard	O
interrupt	B-General_Concept
requests	I-General_Concept
(	O
IRQs	B-General_Concept
)	O
,	O
for	O
more	O
general	O
interrupts	O
.	O
</s>
<s>
An	O
FIQ	O
takes	O
priority	O
over	O
an	O
IRQ	B-General_Concept
in	O
an	O
ARM	O
system	O
.	O
</s>
<s>
This	O
reduces	O
the	O
overhead	O
of	O
context	B-Operating_System
switching	I-Operating_System
.	O
</s>
