<s>
The	O
term	O
peripheral	B-Device
device	I-Device
refers	O
to	O
all	O
hardware	O
components	O
that	O
are	O
attached	O
to	O
a	O
computer	O
and	O
are	O
controlled	O
by	O
the	O
computer	O
system	O
,	O
but	O
they	O
are	O
not	O
the	O
core	O
components	O
of	O
the	O
computer	O
.	O
</s>
<s>
Several	O
categories	O
of	O
peripheral	B-Device
devices	I-Device
may	O
be	O
identified	O
,	O
based	O
on	O
their	O
relationship	O
with	O
the	O
computer	O
:	O
</s>
<s>
An	O
input	B-Device
device	I-Device
sends	O
data	O
or	O
instructions	O
to	O
the	O
computer	O
,	O
such	O
as	O
a	O
mouse	B-Device
,	O
keyboard	B-Device
,	O
graphics	B-Device
tablet	I-Device
,	O
image	B-Application
scanner	I-Application
,	O
barcode	B-Device
reader	I-Device
,	O
game	B-Device
controller	I-Device
,	O
light	B-Device
pen	I-Device
,	O
light	B-Device
gun	I-Device
,	O
microphone	B-Application
and	O
webcam	B-Protocol
;	O
</s>
<s>
An	O
output	B-Device
device	I-Device
provides	O
output	O
data	O
from	O
the	O
computer	O
,	O
such	O
as	O
a	O
computer	B-Device
monitor	I-Device
,	O
projector	B-Application
,	O
printer	O
,	O
headphones	B-Device
and	O
computer	B-Device
speaker	I-Device
;	O
</s>
<s>
An	O
input/output	O
device	O
performs	O
both	O
input	O
and	O
output	O
functions	O
,	O
such	O
as	O
a	O
computer	B-General_Concept
data	I-General_Concept
storage	I-General_Concept
device	O
(	O
including	O
a	O
disk	B-Device
drive	I-Device
,	O
solid-state	B-Device
drive	I-Device
,	O
USB	O
flash	O
drive	O
,	O
memory	B-Device
card	I-Device
and	O
tape	O
drive	O
)	O
,	O
modem	B-Application
,	O
network	B-Protocol
adapter	I-Protocol
and	O
multi-function	O
printer	O
.	O
</s>
