<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
the	O
general	O
meaning	O
of	O
input	O
is	O
to	O
provide	O
or	O
give	O
something	O
to	O
the	O
computer	O
,	O
in	O
other	O
words	O
,	O
when	O
a	O
computer	O
or	O
device	O
is	O
receiving	O
a	O
command	O
or	O
signal	O
from	O
outer	O
sources	O
,	O
the	O
event	O
is	O
referred	O
to	O
as	O
input	O
to	O
the	O
device	O
.	O
</s>
<s>
Some	O
computer	B-Architecture
devices	I-Architecture
can	O
also	O
be	O
categorized	O
as	O
input	B-Device
devices	I-Device
because	O
we	O
use	O
these	O
devices	O
to	O
send	O
instructions	O
to	O
the	O
computer	O
,	O
some	O
common	O
examples	O
of	O
computer	B-Device
input	I-Device
devices	I-Device
are	O
:	O
</s>
<s>
Also	O
some	O
internal	B-Architecture
components	I-Architecture
of	I-Architecture
computer	I-Architecture
are	O
input	O
components	O
to	O
other	O
components	O
,	O
like	O
the	O
power-on	O
button	O
of	O
a	O
computer	O
is	O
an	O
input	O
component	O
for	O
the	O
processor	B-General_Concept
or	O
the	O
power	O
supply	O
,	O
because	O
it	O
takes	O
user	B-General_Concept
input	I-General_Concept
and	O
sends	O
it	O
to	O
other	O
components	O
for	O
further	O
processing	O
.	O
</s>
<s>
In	O
many	O
computer	O
languages	O
the	O
keyword	O
"	O
input	O
"	O
is	O
used	O
as	O
a	O
special	O
keyword	O
or	O
function	O
,	O
such	O
as	O
in	O
Visual	B-Language
Basic	I-Language
or	O
Python	B-Language
.	O
</s>
