<s>
A	O
macro	B-Device
key	I-Device
is	O
a	O
key	O
that	O
was	O
featured	O
on	O
various	O
early	O
PC	B-Device
keyboards	I-Device
and	O
has	O
been	O
removed	O
from	O
most	O
keyboards	B-Device
since	O
.	O
</s>
<s>
It	O
is	O
typically	O
found	O
on	O
the	O
lower	O
rows	O
of	O
the	O
keyboard	B-Device
,	O
either	O
to	O
the	O
left	O
of	O
the	O
key	O
or	O
to	O
the	O
right	O
of	O
the	O
right	O
.	O
</s>
<s>
While	O
most	O
keyboard	B-Device
layouts	O
treat	O
it	O
as	O
a	O
backslash	O
,	O
it	O
has	O
a	O
different	O
scan	O
code	O
,	O
so	O
keyboard	B-Device
layouts	O
or	O
programs	O
use	O
the	O
scan	O
code	O
directly	O
,	O
or	O
they	O
can	O
choose	O
to	O
handle	O
it	O
differently	O
.	O
</s>
<s>
On	O
many	O
2010	O
and	O
newer	O
top-of-the-line	O
,	O
computer	B-Device
mice	I-Device
,	O
there	O
are	O
built-in	O
macro	B-Device
keys	I-Device
.	O
</s>
<s>
Simply	O
put	O
,	O
the	O
macro	B-Device
key	I-Device
is	O
a	O
shortcut	O
of	O
key	O
sequences	O
.	O
</s>
<s>
A	O
key	O
sequence	O
is	O
a	O
series	O
of	O
keyboard	B-Device
keystrokes	O
,	O
mouse	O
actions	O
,	O
or	O
menu	O
actions	O
that	O
are	O
bound	O
to	O
a	O
command	O
.	O
</s>
<s>
The	O
macro	B-Device
key	I-Device
can	O
also	O
be	O
used	O
to	O
conveniently	O
launch	O
a	O
program	O
.	O
</s>
