<s>
Apple	O
Inc	O
.	O
has	O
designed	O
and	O
developed	O
many	O
external	O
keyboard	B-Device
models	O
for	O
use	O
with	O
families	O
of	O
Apple	O
computers	O
,	O
such	O
as	O
the	O
Apple	B-Device
II	I-Device
,	O
Mac	B-Device
,	O
and	O
iPad	B-Device
.	O
</s>
<s>
The	O
Magic	B-Device
Keyboard	I-Device
and	O
Magic	B-Device
Keyboard	I-Device
with	I-Device
Numeric	I-Device
Keypad	I-Device
designed	O
to	O
be	O
used	O
via	O
either	O
Bluetooth	B-Protocol
and	O
USB	B-Protocol
connectivity	O
,	O
and	O
have	O
integrated	O
rechargeable	O
batteries	O
;	O
The	O
Smart	O
Keyboard	B-Device
and	O
Magic	B-Device
Keyboard	I-Device
accessories	O
for	O
iPads	B-Device
are	O
designed	O
to	O
be	O
directly	O
attached	O
to	O
and	O
powered	O
by	O
a	O
host	O
iPad	B-Device
.	O
</s>
<s>
All	O
current	O
Apple	O
keyboards	B-Device
utilize	O
low-profile	O
key	O
designs	O
,	O
and	O
common	O
modifier	B-Device
keys	I-Device
.	O
</s>
<s>
To	O
serve	O
the	O
functionality	O
of	O
the	O
Macintosh	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
(	O
and	O
because	O
of	O
historical	O
differences	O
)	O
,	O
the	O
Apple	O
Keyboard	B-Device
's	O
layout	O
differs	O
somewhat	O
from	O
that	O
of	O
the	O
ubiquitous	O
IBM	B-Device
PC	I-Device
keyboard	I-Device
,	O
mainly	O
in	O
its	O
modifier	B-Device
and	O
special	O
keys	O
.	O
</s>
<s>
Features	O
different	O
from	O
other	O
keyboards	B-Device
include	O
:	O
</s>
<s>
The	O
Command	B-Device
key	I-Device
( ⌘	O
)	O
,	O
used	O
in	O
most	O
Mac	B-Device
keyboard	B-Device
shortcuts	O
.	O
</s>
<s>
The	O
key	O
functions	O
as	O
a	O
Meta	B-Device
key	I-Device
or	O
Super	B-Device
key	I-Device
in	O
Unix-like	B-Operating_System
environments	O
,	O
and	O
is	O
equally	O
equivalent	O
to	O
the	O
Windows	B-Device
key	I-Device
in	O
Windows	O
environments	O
,	O
although	O
in	O
common	O
applications	O
it	O
performs	O
the	O
same	O
function	O
as	O
the	O
Windows	O
Control	B-Device
key	I-Device
.	O
</s>
<s>
Compared	O
to	O
their	O
equivalents	O
on	O
the	O
standard	O
IBM	B-Device
PC	I-Device
keyboard	I-Device
layout	O
the	O
Command	B-Device
key	I-Device
and	O
the	O
Option	B-Device
key	I-Device
are	O
located	O
in	O
reverse	O
order	O
.	O
</s>
<s>
The	O
"	O
open	O
"	O
(	O
hollow	O
)	O
and	O
separate	O
"	O
closed	O
"	O
(	O
solid	O
)	O
Apple	O
logo	O
keys	O
on	O
the	O
Apple	B-Device
II	I-Device
series	I-Device
,	O
served	O
functions	O
similar	O
to	O
that	O
of	O
the	O
Command	B-Device
key	I-Device
.	O
</s>
<s>
The	O
open-Apple	B-Device
key	I-Device
was	O
combined	O
with	O
the	O
Command	B-Device
key	I-Device
on	O
Apple	B-Device
Desktop	I-Device
Bus	I-Device
keyboards	B-Device
(	O
which	O
were	O
used	O
on	O
both	O
the	O
Apple	B-Device
IIgs	I-Device
and	O
several	O
years	O
of	O
Macintosh	B-Device
models	O
)	O
where	O
it	O
remained	O
after	O
the	O
Apple	B-Device
II	I-Device
line	O
was	O
discontinued	O
.	O
</s>
<s>
The	O
Option	B-Device
key	I-Device
( ⌥	O
)	O
,	O
for	O
entering	O
diacritics	O
and	O
other	O
special	O
characters	O
.	O
</s>
<s>
Like	O
the	O
Shift	B-Device
and	O
Control	B-Device
keys	I-Device
,	O
the	O
Option	B-Device
key	I-Device
serves	O
as	O
a	O
modifier	B-Device
for	O
the	O
Command	B-Device
key	I-Device
shortcuts	O
,	O
as	O
well	O
as	O
being	O
used	O
to	O
type	O
many	O
special	O
characters	O
.	O
</s>
<s>
It	O
serves	O
the	O
function	O
of	O
the	O
solid-Apple	B-Device
key	O
in	O
Apple	B-Device
II	I-Device
applications	O
.	O
</s>
<s>
It	O
functions	O
as	O
the	O
Alt	B-Device
key	I-Device
in	O
Unix	O
and	O
Windows	O
environments	O
.	O
</s>
<s>
Compared	O
to	O
their	O
equivalents	O
on	O
the	O
standard	O
IBM	B-Device
PC	I-Device
keyboard	I-Device
layout	O
the	O
Command	B-Device
key	I-Device
and	O
the	O
Option	B-Device
key	I-Device
are	O
located	O
in	O
reverse	O
order	O
.	O
</s>
<s>
Full-sized	O
desktop	O
keyboards	B-Device
with	O
a	O
dedicated	O
numpad	B-Device
have	O
function	B-Application
keys	I-Application
that	O
can	O
range	O
up	O
to	O
F15	O
,	O
F16	O
,	O
or	O
F19	O
.	O
</s>
<s>
F17-F19	O
keys	O
were	O
introduced	O
with	O
the	O
aluminium	O
USB	B-Protocol
keyboard	B-Device
.	O
</s>
<s>
Compact	O
keyboards	B-Device
such	O
as	O
the	O
bluetooth	B-Protocol
wireless	O
aluminium	O
keyboard	B-Device
and	O
the	O
built-in	O
keyboards	B-Device
on	O
all	O
Intel-based	O
Macintosh	B-Device
notebooks	O
range	O
from	O
F1-F12	O
only	O
,	O
just	O
like	O
IBM	B-Device
PC	I-Device
keyboards	I-Device
.	O
</s>
<s>
A	O
Clear	O
key	O
,	O
instead	O
of	O
a	O
Num	B-Device
Lock	I-Device
key	I-Device
,	O
on	O
models	O
with	O
full	O
numeric	B-Device
keypads	I-Device
,	O
as	O
these	O
are	O
dedicated	O
to	O
numeric	O
input	O
and	O
not	O
generally	O
used	O
for	O
cursor	O
control	B-Device
.	O
</s>
<s>
An	O
"	O
equals	O
"	O
key	O
(=	O
)	O
added	O
to	O
the	O
numeric	B-Device
keypad	I-Device
.	O
</s>
<s>
A	O
Help	O
key	O
,	O
instead	O
of	O
an	O
Insert	B-Device
key	I-Device
,	O
or	O
on	O
the	O
most	O
recent	O
aluminum	O
keyboards	B-Device
,	O
a	O
fn	B-Device
key	I-Device
,	O
which	O
toggles	O
the	O
function	O
of	O
the	O
function	B-Application
keys	I-Application
between	O
their	O
default	O
functions	O
and	O
special	O
functions	O
(	O
volume	O
control	B-Device
,	O
Exposé	O
,	O
etc	O
.	O
</s>
<s>
Notebook	O
computers	O
typically	O
include	O
additional	O
assignments	O
shared	O
with	O
function	B-Application
keys	I-Application
:	O
reduce	O
and	O
increase	O
brightness	O
,	O
volume	O
up	O
,	O
volume	O
down	O
,	O
mute	O
,	O
and	O
eject	O
( ⏏	O
)	O
.	O
</s>
<s>
Apple	O
,	O
since	O
the	O
release	O
of	O
the	O
Pro	O
Keyboard	B-Device
,	O
provides	O
these	O
last	O
four	O
keys	O
on	O
desktop	O
keyboards	B-Device
above	O
the	O
numeric	B-Device
keypad	I-Device
where	O
status	O
indicator	O
lights	O
are	O
on	O
many	O
IBM	B-Device
PC	I-Device
keyboards	I-Device
.	O
</s>
<s>
On	O
the	O
newest	O
aluminum	O
keyboard	B-Device
,	O
these	O
functions	O
are	O
accessed	O
with	O
the	O
function	B-Application
keys	I-Application
,	O
just	O
like	O
on	O
the	O
Apple	O
laptops	O
.	O
</s>
<s>
On	O
Apple	B-Device
Desktop	I-Device
Bus	I-Device
keyboards	B-Device
,	O
a	O
power	B-Device
key	I-Device
( ◁	O
)	O
,	O
used	O
to	O
turn	O
on	O
computers	O
that	O
supported	O
it	O
(	O
and	O
to	O
type	O
the	O
Mac	B-Device
three-finger	O
salute	O
)	O
.	O
</s>
<s>
On	O
keyboards	B-Device
with	O
function	B-Application
keys	I-Application
,	O
it	O
was	O
placed	O
either	O
on	O
the	O
left	O
or	O
right	O
edge	O
of	O
the	O
same	O
keyboard	B-Device
row	O
as	O
the	O
function	B-Application
keys	I-Application
;	O
on	O
keyboards	B-Device
without	O
function	B-Application
keys	I-Application
it	O
was	O
placed	O
in	O
a	O
central	O
location	O
above	O
the	O
other	O
keys	O
.	O
</s>
<s>
The	O
power	B-Device
key	I-Device
was	O
replaced	O
with	O
a	O
more	O
conventional	O
power	O
button	O
on	O
early	O
USB	B-Protocol
keyboards	B-Device
,	O
thanks	O
to	O
a	O
proprietary	O
pin	O
wired	O
to	O
the	O
Macintosh	B-Device
's	O
power	O
supply	O
in	O
Apple	O
's	O
early	O
USB	B-Protocol
implementations	O
,	O
subsequently	O
eliminated	O
on	O
the	O
Pro	O
Keyboard	B-Device
along	O
with	O
the	O
special	O
power	O
supply	O
pin	O
.	O
</s>
<s>
Most	O
of	O
its	O
functions	O
were	O
transferred	O
to	O
the	O
eject	O
( ⏏	O
)	O
key	O
in	O
such	O
later	O
keyboards	B-Device
(	O
holding	O
down	O
the	O
control	B-Device
key	I-Device
simultaneously	O
to	O
make	O
the	O
eject	O
key	O
act	O
like	O
the	O
power	B-Device
key	I-Device
)	O
.	O
</s>
<s>
On	O
the	O
Apple	B-Device
IIGS	I-Device
,	O
this	O
key	O
,	O
used	O
in	O
conjunction	O
with	O
the	O
control	B-Device
key	I-Device
,	O
is	O
reset	O
.	O
</s>
<s>
Used	O
in	O
conjunction	O
with	O
the	O
open	B-Device
Apple	I-Device
key	I-Device
,	O
reset	O
reboots	O
the	O
computer	O
.	O
</s>
<s>
The	O
Apple	O
UK	O
keyboard	B-Device
layout	O
has	O
the	O
@	O
and	O
"	O
keys	O
in	O
their	O
US	O
locations	O
(	O
on	O
the	O
2	O
and	O
'	O
keys	O
respectively	O
)	O
.	O
</s>
<s>
These	O
are	O
normally	O
reversed	O
on	O
non-Apple	O
UK	O
keyboards	B-Device
.	O
</s>
<s>
The	O
Magic	B-Device
Keyboard	I-Device
is	O
Apple	O
's	O
current	O
design	O
of	O
external	O
keyboards	B-Device
designed	O
for	O
use	O
with	O
Mac	B-Device
computers	I-Device
.	O
</s>
<s>
It	O
can	O
use	O
either	O
wireless	O
Bluetooth	B-Protocol
connectivity	O
,	O
or	O
a	O
wired	O
connection	O
via	O
a	O
USB	B-Protocol
to	O
Lightning	B-Architecture
cable	I-Architecture
.	O
</s>
<s>
It	O
utilizes	O
scissor-switch	O
key	O
mechanisms	O
,	O
and	O
comes	O
in	O
several	O
layouts	O
and	O
colors	O
,	O
including	O
the	O
option	B-Device
of	O
a	O
Numeric	B-Device
Keypad	I-Device
,	O
Touch	O
ID	O
fingerprint	O
authentication	O
,	O
and	O
colors	O
to	O
match	O
each	O
color	O
variant	O
of	O
the	O
M1	B-Device
iMac	I-Device
.	O
</s>
<s>
Released	O
in	O
November	O
2015	O
alongside	O
the	O
iPad	B-Device
Pro	I-Device
(	O
1st	O
generation	O
)	O
,	O
the	O
Smart	O
Keyboard	B-Device
is	O
Apple	O
's	O
first	O
keyboard	B-Device
cover	O
accessory	O
for	O
iPad	B-Device
.	O
</s>
<s>
It	O
is	O
powered	O
by	O
the	O
iPad	B-Device
's	O
Smart	O
Connector	O
,	O
and	O
does	O
not	O
require	O
separate	O
charging	O
or	O
batteries	O
.	O
</s>
<s>
When	O
unfolded	O
,	O
the	O
Smart	O
Keyboard	B-Device
only	O
allows	O
for	O
one	O
viewing	O
angle	O
position	O
;	O
when	O
folded	O
,	O
the	O
Smart	O
Keyboard	B-Device
only	O
protects	O
the	O
front	O
of	O
the	O
iPad	B-Device
.	O
</s>
<s>
The	O
Smart	O
Keyboard	B-Device
is	O
compatible	O
with	O
iPad	B-Device
Pro	I-Device
models	O
from	O
2015	O
to	O
2017	O
,	O
the	O
iPad	B-Device
Air	I-Device
(	O
3rd	O
generation	O
)	O
,	O
and	O
iPad	B-Device
models	O
from	O
2019	O
to	O
2021	O
.	O
</s>
<s>
An	O
updated	O
design	O
,	O
named	O
Smart	O
Keyboard	B-Device
Folio	O
,	O
was	O
released	O
alongside	O
the	O
iPad	B-Device
Pro	I-Device
(	O
3rd	O
generation	O
)	O
,	O
with	O
support	O
for	O
two	O
viewing	O
angles	O
and	O
back	O
protection	O
.	O
</s>
<s>
The	O
Smart	O
Keyboard	B-Device
Folio	O
is	O
compatible	O
with	O
11-inch	O
and	O
12.9-inch	O
iPad	B-Device
Pro	I-Device
models	O
from	O
2018	O
and	O
later	O
,	O
and	O
iPad	B-Device
Air	I-Device
models	O
from	O
2020	O
and	O
later	O
.	O
</s>
<s>
On	O
March	O
18	O
,	O
2020	O
,	O
the	O
Magic	B-Device
Keyboard	I-Device
was	O
announced	O
alongside	O
the	O
introduction	O
mouse	O
cursor	O
support	O
for	O
iPadOS	B-Operating_System
13	I-Operating_System
,	O
and	O
includes	O
a	O
trackpad	B-Device
and	O
front-and-back	O
protection	O
,	O
as	O
a	O
more	O
capable	O
alternative	O
to	O
the	O
Smart	O
Keyboard	B-Device
.	O
</s>
<s>
Like	O
the	O
Smart	O
Keyboard	B-Device
,	O
it	O
uses	O
the	O
Smart	O
Connector	O
to	O
draw	O
power	O
,	O
and	O
also	O
comes	O
with	O
a	O
USB-C	O
port	O
for	O
pass-through	O
charging	O
of	O
the	O
iPad	B-Device
Pro	I-Device
.	O
</s>
<s>
It	O
attaches	O
magnetically	O
to	O
the	O
iPad	B-Device
Pro	I-Device
or	O
iPad	B-Device
Air	I-Device
,	O
which	O
sits	O
above	O
a	O
cantilever	O
that	O
allows	O
adjusting	O
the	O
viewing	O
angle	O
.	O
</s>
<s>
Several	O
revisions	O
of	O
the	O
Magic	B-Device
Keyboard	I-Device
have	O
been	O
released	O
,	O
in	O
black	O
and	O
white	O
colors	O
,	O
and	O
are	O
compatible	O
with	O
11-inch	O
and	O
12.9-inch	O
iPad	B-Device
Pro	I-Device
models	O
from	O
2018	O
and	O
later	O
,	O
and	O
10.9-inch	O
iPad	B-Device
Air	I-Device
models	O
from	O
2020	O
and	O
later	O
.	O
</s>
<s>
A	O
non-floating	O
version	O
,	O
named	O
Magic	B-Device
Keyboard	I-Device
Folio	O
,	O
was	O
released	O
for	O
the	O
iPad	B-Device
(	O
10th	O
generation	O
)	O
.	O
</s>
<s>
The	O
Numeric	B-Device
Keypad	I-Device
IIe	O
was	O
Apple	O
's	O
first	O
external	O
keypad	O
.	O
</s>
<s>
Released	O
as	O
an	O
option	B-Device
specifically	O
for	O
the	O
popular	O
Apple	O
IIe	O
computer	O
in	O
1983	O
,	O
it	O
helped	O
correct	O
some	O
of	O
the	O
II	O
series	O
 '	O
shortcomings	O
.	O
</s>
<s>
Later	O
,	O
the	O
Platinum	O
IIe	O
would	O
incorporate	O
the	O
numeric	B-Device
keypad	I-Device
into	O
its	O
built-in	O
keyboard	B-Device
.	O
</s>
<s>
The	O
first	O
keyboard	B-Device
not	O
to	O
be	O
integrated	O
into	O
the	O
CPU	B-Device
case	O
like	O
the	O
Apple	B-Device
II	I-Device
and	O
III	O
series	O
before	O
it	O
.	O
</s>
<s>
It	O
was	O
designed	O
for	O
and	O
came	O
with	O
the	O
Apple	B-Device
Lisa	I-Device
.	O
</s>
<s>
Like	O
the	O
Apple	O
III	O
before	O
it	O
,	O
it	O
was	O
intended	O
to	O
be	O
a	O
business	O
computer	O
and	O
included	O
an	O
integrated	O
numeric	B-Device
keypad	I-Device
.	O
</s>
<s>
Like	O
all	O
Apple	O
computers	O
before	O
it	O
,	O
it	O
came	O
in	O
a	O
beige	O
case	O
to	O
match	O
the	O
CPU	B-Device
and	O
connected	O
by	O
a	O
unique	O
TRS	B-Device
connector	I-Device
.	O
</s>
<s>
In	O
addition	O
it	O
carried	O
over	O
the	O
use	O
of	O
the	O
"	O
open	O
"	O
Apple	B-Device
key	I-Device
from	O
the	O
Apple	O
III	O
as	O
a	O
command	B-Device
key	I-Device
(	O
though	O
it	O
was	O
represented	O
by	O
the	O
"	O
closed	O
"	O
Apple	O
character	O
)	O
and	O
included	O
a	O
pullout	O
reference	O
guide	O
hidden	O
under	O
the	O
keyboard	B-Device
.	O
</s>
<s>
Introduced	O
and	O
included	O
with	O
the	O
original	O
Macintosh	B-Device
in	O
1984	O
,	O
it	O
debuted	O
with	O
neither	O
arrow	O
keys	O
to	O
control	B-Device
the	O
cursor	O
nor	O
an	O
integrated	O
numeric	B-Device
keypad	I-Device
.	O
</s>
<s>
The	O
keyboard	B-Device
pinouts	B-Application
are	O
"	O
crossed	O
"	O
so	O
it	O
is	O
n't	O
possible	O
to	O
use	O
a	O
standard	O
telephone	O
cord	O
as	O
a	O
replacement	O
;	O
doing	O
so	O
will	O
result	O
in	O
damage	O
to	O
the	O
keyboard	B-Device
or	O
the	O
computer	O
.	O
</s>
<s>
The	O
keyboard	B-Device
also	O
introduced	O
a	O
unique	O
command	B-Device
key	I-Device
similar	O
to	O
the	O
"	O
open	O
"	O
Apple	B-Device
Key	I-Device
on	O
the	O
Lisa	B-Device
.	O
</s>
<s>
Like	O
the	O
Apple	O
IIe	O
before	O
it	O
,	O
the	O
Macintosh	B-Device
provided	O
an	O
optional	O
external	O
keypad	O
which	O
also	O
included	O
arrow	O
keys	O
that	O
daisy	O
chained	O
to	O
the	O
CPU	B-Device
via	O
the	O
telephone-cord	O
connectors	O
.	O
</s>
<s>
Though	O
introduced	O
with	O
the	O
Macintosh	B-Device
in	O
January	O
1984	O
,	O
Apple	O
did	O
not	O
ship	O
it	O
until	O
September	O
1984	O
at	O
a	O
retail	O
price	O
of	O
US$99	O
.	O
</s>
<s>
The	O
M0120P	O
version	O
of	O
the	O
numeric	B-Device
keypad	I-Device
,	O
compared	O
to	O
M0120	O
,	O
uses	O
symbols	O
on	O
the	O
Clear	O
and	O
Enter	O
keys	O
,	O
instead	O
of	O
text	O
.	O
</s>
<s>
Introduced	O
and	O
included	O
with	O
the	O
Macintosh	B-Device
Plus	O
in	O
1986	O
,	O
it	O
was	O
an	O
extended	O
keyboard	B-Device
that	O
had	O
a	O
built-in	O
numeric	B-Device
keypad	I-Device
.	O
</s>
<s>
Though	O
Apple	O
switched	O
all	O
other	O
keyboards	B-Device
to	O
Apple	B-Device
Desktop	I-Device
Bus	I-Device
connectors	O
by	O
this	O
time	O
,	O
this	O
keyboard	B-Device
was	O
manufactured	O
unchanged	O
for	O
four	O
more	O
years	O
until	O
the	O
Plus	O
was	O
discontinued	O
in	O
1990	O
.	O
</s>
<s>
This	O
was	O
the	O
first	O
Apple	O
keyboard	B-Device
to	O
use	O
the	O
new	O
Apple	B-Device
Desktop	I-Device
Bus	I-Device
(	O
ADB	B-Device
)	O
connector	O
first	O
seen	O
on	O
the	O
Apple	B-Device
IIGS	I-Device
.	O
</s>
<s>
Designed	O
to	O
be	O
compatible	O
with	O
both	O
the	O
Macintosh	B-Device
and	O
Apple	O
product	O
lines	O
,	O
it	O
was	O
the	O
first	O
to	O
combine	O
both	O
the	O
Macintosh	B-Device
command	B-Device
key	I-Device
and	O
Apple	B-Device
II	I-Device
"	O
open	O
"	O
Apple	B-Device
key	I-Device
legends	O
.	O
</s>
<s>
Entirely	O
Platinum	O
gray	O
in	O
color	O
(	O
later	O
Macintosh	B-Device
Plus	O
keyboards	B-Device
had	O
a	O
platinum	O
gray	O
case	O
with	O
darker	O
gray	O
keys	O
called	O
"	O
Smoke	O
"	O
)	O
,	O
it	O
was	O
also	O
the	O
first	O
to	O
use	O
Snow	O
White	O
design	O
language	O
that	O
was	O
similar	O
to	O
the	O
Apple	O
IIc	O
.	O
</s>
<s>
It	O
was	O
also	O
the	O
first	O
to	O
include	O
an	O
external	O
power/reset	O
button	O
and	O
an	O
extra	O
ADB	B-Device
port	I-Device
.	O
</s>
<s>
Also	O
known	O
as	O
the	O
Apple	O
Standard	O
Keyboard	B-Device
,	O
it	O
was	O
the	O
first	O
to	O
officially	O
use	O
this	O
name	O
.	O
</s>
<s>
Apple	O
would	O
later	O
reuse	O
the	O
name	O
for	O
a	O
series	O
of	O
successive	O
keyboards	B-Device
.	O
</s>
<s>
The	O
Apple	O
Keyboard	B-Device
was	O
a	O
more	O
solid	O
version	O
of	O
the	O
Apple	B-Device
Desktop	I-Device
Bus	I-Device
Keyboard	B-Device
and	O
optionally	O
included	O
with	O
the	O
Macintosh	B-Device
II	I-Device
and	O
SE	B-Device
in	O
1987	O
.	O
</s>
<s>
The	O
heftier	O
design	O
solidified	O
visually	O
the	O
power	O
performance	O
embodied	O
by	O
the	O
upgraded	O
Macs	B-Device
.	O
</s>
<s>
It	O
was	O
the	O
first	O
keyboard	B-Device
to	O
be	O
sold	O
separately	O
from	O
the	O
system	O
,	O
giving	O
the	O
customer	O
a	O
choice	O
of	O
the	O
basic	O
or	O
advanced	O
keyboards	B-Device
offered	O
by	O
Apple	O
.	O
</s>
<s>
Apple	O
's	O
advanced	O
keyboard	B-Device
,	O
the	O
first	O
to	O
be	O
sold	O
optionally	O
,	O
was	O
essentially	O
a	O
redesigned	O
version	O
of	O
the	O
Apple	O
Keyboard	B-Device
,	O
with	O
an	O
enhanced	B-Device
extended	O
keyboard	B-Device
with	O
FKeys	B-Application
and	O
other	O
PC-style	B-Device
keys	I-Device
.	O
</s>
<s>
It	O
included	O
template	O
guides	O
above	O
the	O
top	O
row	O
of	O
function	B-Application
keys	I-Application
to	O
accommodate	O
shortcut	O
key	O
references	O
which	O
accommodate	O
many	O
software	O
packages	O
.	O
</s>
<s>
It	O
was	O
the	O
heaviest	O
of	O
all	O
the	O
Macintosh	B-Device
keyboards	B-Device
and	O
set	O
the	O
standard	O
for	O
many	O
typists	O
.	O
</s>
<s>
Introduced	O
and	O
sold	O
with	O
the	O
Macintosh	B-Device
Classic	I-Device
and	O
LC	B-Device
in	O
1990	O
,	O
this	O
keyboard	B-Device
was	O
almost	O
identical	O
to	O
the	O
original	O
ADB	B-Device
Keyboard	B-Device
,	O
but	O
included	O
flip-down	O
feet	O
to	O
change	O
the	O
typing	O
angle	O
and	O
a	O
design	O
change	O
that	O
gave	O
the	O
frame	O
and	O
keys	O
a	O
more	O
streamlined	O
appearance	O
.	O
</s>
<s>
In	O
1993	O
,	O
the	O
Macintosh	B-Device
TV	I-Device
,	O
the	O
first	O
Mac	B-Device
introduced	O
in	O
all	O
black	O
,	O
came	O
with	O
an	O
identical	O
black	O
Keyboard	B-Device
II	O
(	O
using	O
the	O
same	O
model	O
number	O
)	O
.	O
</s>
<s>
This	O
keyboard	B-Device
marked	O
the	O
return	O
of	O
Apple	O
including	O
a	O
standard	O
keyboard	B-Device
together	O
with	O
the	O
computer	O
itself	O
.	O
</s>
<s>
A	O
minor	O
update	O
to	O
the	O
Apple	O
Extended	O
Keyboard	B-Device
to	O
coincide	O
with	O
the	O
release	O
of	O
the	O
Macintosh	B-Device
IIsi	I-Device
in	O
1990	O
,	O
it	O
added	O
an	O
adjustable	O
height	O
feature	O
.	O
</s>
<s>
The	O
Apple	B-Device
Adjustable	I-Device
Keyboard	I-Device
,	O
which	O
was	O
sold	O
as	O
an	O
optional	O
upgrade	O
,	O
was	O
Apple	O
's	O
1993	O
entry	O
into	O
the	O
ergonomically	O
adjustable	O
keyboard	B-Device
market	O
.	O
</s>
<s>
It	O
came	O
with	O
a	O
separate	O
keypad	O
(	O
not	O
sold	O
separately	O
)	O
,	O
the	O
first	O
to	O
do	O
so	O
since	O
the	O
original	O
Macintosh	B-Device
keyboard	B-Device
.	O
</s>
<s>
In	O
the	O
mid-1990s	O
Apple	O
released	O
the	O
Apple	B-Device
Newton	I-Device
sub-mini	O
keyboard	B-Device
to	O
allow	O
a	O
quick	O
input	O
alternative	O
to	O
the	O
Newton	B-Device
's	O
handwriting	O
recognition	O
,	O
which	O
required	O
extensive	O
training	O
to	O
become	O
useful	O
.	O
</s>
<s>
It	O
connected	O
via	O
the	O
Newton	B-Device
's	O
serial	O
interface	O
.	O
</s>
<s>
Many	O
Mac	B-Device
users	O
favoring	O
the	O
portable	O
size	O
were	O
able	O
to	O
use	O
it	O
on	O
a	O
Mac	B-Device
utilizing	O
a	O
third-party	O
enabler	O
.	O
</s>
<s>
Like	O
the	O
iPhone	O
that	O
would	O
come	O
10	O
years	O
later	O
,	O
the	O
Newton	B-Device
also	O
included	O
a	O
virtual	O
keyboard	B-Device
.	O
</s>
<s>
This	O
was	O
the	O
first	O
major	O
redesign	O
of	O
the	O
Apple	O
keyboard	B-Device
,	O
featuring	O
more	O
fluid	O
,	O
curving	O
lines	O
to	O
match	O
the	O
look	O
of	O
the	O
new	O
Apple	O
product	O
style	O
.	O
</s>
<s>
It	O
was	O
an	O
unpopular	O
replacement	O
for	O
the	O
Apple	O
Extended	O
Keyboard	B-Device
II	O
in	O
1994	O
.	O
</s>
<s>
It	O
also	O
included	O
only	O
one	O
ADB	B-Device
port	I-Device
for	O
mice	O
or	O
other	O
pointing	O
devices	O
,	O
concealed	O
on	O
the	O
underside	O
,	O
with	O
the	O
keyboard	B-Device
's	O
cable	O
permanently	O
attached	O
.	O
</s>
<s>
The	O
Extended	O
II	O
had	O
an	O
ADB	B-Device
port	I-Device
on	O
either	O
side	O
of	O
the	O
keyboard	B-Device
,	O
allowing	O
the	O
keyboard	B-Device
cable	O
or	O
mouse	O
to	O
be	O
attached	O
to	O
the	O
side	O
preferred	O
by	O
the	O
user	O
.	O
</s>
<s>
This	O
keyboard	B-Device
was	O
also	O
produced	O
in	O
black	O
using	O
the	O
same	O
model	O
number	O
(	O
like	O
the	O
Apple	O
Keyboard	B-Device
II	O
for	O
the	O
Macintosh	B-Device
TV	I-Device
)	O
,	O
for	O
inclusion	O
with	O
the	O
black	O
Performa	B-Device
5420	I-Device
released	O
primarily	O
in	O
Europe	O
,	O
and	O
the	O
black	O
Power	B-Device
Macintosh	I-Device
5500	I-Device
released	O
in	O
Asia	O
.	O
</s>
<s>
Bundled	O
with	O
the	O
Twentieth	B-Device
Anniversary	I-Device
Macintosh	I-Device
in	O
1997	O
,	O
this	O
keyboard	B-Device
once	O
again	O
excluded	O
an	O
integrated	O
keypad	O
,	O
though	O
unlike	O
the	O
Adjustable	O
Keyboard	B-Device
none	O
was	O
offered	O
.	O
</s>
<s>
Based	O
on	O
a	O
PowerBook	B-Device
form	O
factor	O
it	O
also	O
included	O
an	O
optional	O
built-in	O
trackpad	B-Device
and	O
leather	O
palm	O
rests	O
.	O
</s>
<s>
This	O
was	O
the	O
last	O
ADB	B-Device
keyboard	B-Device
Apple	O
would	O
produce	O
,	O
and	O
was	O
not	O
sold	O
separately	O
.	O
</s>
<s>
Released	O
and	O
sold	O
with	O
the	O
iMac	B-Device
in	O
1998	O
this	O
became	O
the	O
new	O
standard	O
for	O
all	O
Macintosh	B-Device
models	O
for	O
the	O
next	O
two	O
years	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
to	O
use	O
translucent	O
plastics	O
,	O
first	O
in	O
Bondi	O
blue	O
,	O
then	O
in	O
a	O
darker	O
gray	O
called	O
"	O
Graphite	O
"	O
for	O
the	O
PowerMac	O
G4	O
line	O
and	O
fruit-colored	O
for	O
each	O
of	O
the	O
five	O
first	O
color	O
variations	O
of	O
the	O
iMac	B-Device
.	O
</s>
<s>
It	O
also	O
marked	O
a	O
return	O
to	O
the	O
standard	O
keyboard	B-Device
with	O
integrated	O
keypad	O
with	O
the	O
enhanced	B-Device
cursor	O
keys	O
above	O
the	O
keypad	O
.	O
</s>
<s>
The	O
keyboard	B-Device
had	O
a	O
power	B-Device
key	I-Device
on	O
the	O
top	O
right	O
side	O
(	O
implemented	O
by	O
shorting	O
the	O
D-line	O
to	O
ground	O
)	O
,	O
and	O
was	O
the	O
last	O
keyboard	B-Device
to	O
have	O
one	O
.	O
</s>
<s>
This	O
keyboard	B-Device
can	O
be	O
used	O
with	O
Windows	O
(	O
although	O
the	O
power	B-Device
key	I-Device
has	O
no	O
function	O
)	O
.	O
</s>
<s>
(	O
M7803	O
,	O
109	O
black	O
keys	O
)	O
Originally	O
introduced	O
as	O
the	O
Apple	O
Pro	O
Keyboard	B-Device
in	O
2000	O
,	O
but	O
discontinued	O
three	O
years	O
later	O
,	O
this	O
keyboard	B-Device
reintroduced	O
the	O
additional	O
extended	O
function	B-Application
keys	I-Application
last	O
seen	O
in	O
the	O
Apple	O
Design	O
Keyboard	B-Device
and	O
debuted	O
in	O
a	O
clear	O
case	O
with	O
black	O
keys	O
.	O
</s>
<s>
One	O
major	O
departure	O
from	O
all	O
previous	O
ADB	B-Device
and	O
USB	B-Protocol
keyboards	B-Device
was	O
the	O
removal	O
of	O
the	O
remote	O
power	B-Device
key	I-Device
.	O
</s>
<s>
This	O
keyboard	B-Device
contained	O
109	O
keys	O
(	O
ANSI	O
)	O
,	O
and	O
retained	O
the	O
single	O
folding	O
leg	O
on	O
the	O
bottom	O
.	O
</s>
<s>
This	O
was	O
also	O
the	O
keyboard	B-Device
that	O
came	O
with	O
the	O
iconic	O
Power	B-Device
Mac	I-Device
G4	I-Device
Cube	I-Device
.	O
</s>
<s>
(	O
M7803	O
,	O
109	O
white	O
keys	O
,	O
iMac	B-Device
G4	I-Device
)	O
A	O
version	O
with	O
white	O
keys	O
was	O
introduced	O
in	O
2002	O
alongside	O
the	O
iMac	B-Device
G4	I-Device
.	O
</s>
<s>
(	O
A1048	O
,	O
white	O
,	O
109	O
keys	O
,	O
USB	B-Protocol
1.1	O
and	O
USB	B-Protocol
2.0	O
)	O
In	O
May	O
2003	O
,	O
the	O
keyboard	B-Device
underwent	O
a	O
major	O
redesign	O
which	O
eliminated	O
the	O
frame	O
enclosing	O
the	O
keys	O
while	O
adding	O
an	O
F16	O
key	O
and	O
moving	O
the	O
USB	B-Protocol
ports	O
to	O
the	O
back	O
.	O
</s>
<s>
This	O
revision	O
also	O
renamed	O
the	O
device	O
as	O
just	O
the	O
'	O
Apple	O
Keyboard	B-Device
 '	O
,	O
thus	O
dropping	O
'	O
Pro	O
 '	O
from	O
the	O
commercial	O
name	O
,	O
but	O
the	O
complete	O
name	O
'	O
Apple	O
Pro	O
Keyboard	B-Device
 '	O
is	O
always	O
used	O
in	O
internal	O
technical	O
information	O
,	O
as	O
seen	O
in	O
the	O
System	O
Information	O
app	O
for	O
example	O
.	O
</s>
<s>
The	O
A1048	O
was	O
updated	O
in	O
2005	O
with	O
USB	B-Protocol
2.0	O
ports	O
replacing	O
the	O
USB	B-Protocol
1.1	O
ports	O
.	O
</s>
<s>
(	O
A1243	O
,	O
aluminium	O
,	O
109	O
keys	O
,	O
MB110LL/A	O
and	O
MB110LL/B	O
)	O
The	O
Apple	O
Keyboard	B-Device
introduced	O
in	O
2007	O
,	O
has	O
a	O
solid	O
aluminum	O
enclosure	O
,	O
as	O
does	O
the	O
similarly	O
styled	O
Apple	O
Wireless	O
Keyboard	B-Device
.	O
</s>
<s>
This	O
same	O
keyboard	B-Device
is	O
also	O
the	O
first	O
of	O
Apple	O
's	O
keyboards	B-Device
in	O
27	O
years	O
to	O
omit	O
the	O
long-enduring	O
Apple	O
logo(s )	O
denoting	O
the	O
Command	B-Device
key	I-Device
's	O
backward	B-General_Concept
compatibility	I-General_Concept
with	O
the	O
Apple	B-Device
key	I-Device
that	O
was	O
originally	O
introduced	O
on	O
keyboards	B-Device
compatible	O
with	O
the	O
Apple	B-Device
II	I-Device
series	I-Device
of	O
computers	O
.	O
</s>
<s>
This	O
convention	O
,	O
however	O
,	O
lasted	O
much	O
longer	O
than	O
Apple	O
had	O
intended	O
because	O
of	O
how	O
it	O
was	O
retained	O
by	O
all	O
keyboards	B-Device
which	O
used	O
the	O
Apple	B-Device
Desktop	I-Device
Bus	I-Device
connection	O
standard	O
that	O
the	O
company	O
introduced	O
with	O
the	O
release	O
of	O
the	O
Apple	B-Device
IIGS	I-Device
.	O
</s>
<s>
By	O
the	O
time	O
that	O
Apple	O
discontinued	O
the	O
external	O
use	O
of	O
ADB	B-Device
,	O
the	O
legacy	O
practice	O
of	O
including	O
the	O
Apple	B-Device
symbol	I-Device
on	O
the	O
Command	B-Device
key	I-Device
had	O
stuck	O
.	O
</s>
<s>
This	O
model	O
of	O
the	O
Apple	O
keyboard	B-Device
also	O
has	O
two	O
down-stream	O
USB	B-Protocol
2.0	O
ports	O
,	O
one	O
at	O
each	O
end	O
of	O
the	O
keyboard	B-Device
(	O
like	O
M2452	O
and	O
M7803	O
)	O
.	O
</s>
<s>
This	O
model	O
was	O
renamed	O
as	O
the	O
'	O
Apple	O
Keyboard	B-Device
with	O
Numeric	B-Device
Keypad	I-Device
 '	O
after	O
the	O
release	O
of	O
the	O
A1242	O
model	O
in	O
March	O
2009	O
.	O
</s>
<s>
This	O
model	O
was	O
discontinued	O
on	O
5	O
June	O
2017	O
and	O
was	O
the	O
last	O
wired	O
keyboard	B-Device
produced	O
by	O
Apple	O
.	O
</s>
<s>
It	O
is	O
worth	O
noting	O
that	O
there	O
are	O
two	O
versions	O
of	O
the	O
A1243	O
keyboard	B-Device
(	O
the	O
MB110LL/A	O
and	O
MB110LL/B	O
)	O
,	O
that	O
are	O
distinguished	O
by	O
the	O
icons	O
on	O
the	O
F3	O
and	O
F4	B-Application
keys	I-Application
.	O
</s>
<s>
This	O
slight	O
update	O
took	O
place	O
in	O
July	O
2011	O
on	O
the	O
release	O
of	O
OS	B-Application
X	I-Application
Lion	I-Application
and	O
changed	O
the	O
label	O
on	O
the	O
Exposé	O
key	O
(	O
F3	O
)	O
to	O
Mission	O
Control	B-Device
and	O
changing	O
the	O
Dashboard	B-Application
key	O
(	O
F4	O
)	O
to	O
a	O
Launchpad	O
key	O
.	O
</s>
<s>
(	O
A1242	O
,	O
aluminium	O
,	O
78	O
keys	O
,	O
iMac	B-Device
)	O
Early	O
2009	O
iMac	B-Device
revisions	O
shipped	O
with	O
a	O
new	O
version	O
of	O
the	O
wired	O
keyboard	B-Device
,	O
which	O
omitted	O
the	O
numeric	B-Device
pad	I-Device
,	O
similar	O
to	O
its	O
wireless	O
counterpart	O
.	O
</s>
<s>
The	O
full	O
keyboard	B-Device
with	O
numeric	B-Device
pad	I-Device
remained	O
available	O
as	O
a	O
build-to-order	O
option	B-Device
for	O
an	O
extra	O
charge	O
,	O
and	O
could	O
also	O
be	O
purchased	O
separately	O
.	O
</s>
<s>
(	O
A1016	O
,	O
white	O
,	O
109	O
keys	O
,	O
Bluetooth	B-Protocol
1.1	O
)	O
Introduced	O
in	O
2003	O
,	O
this	O
model	O
was	O
based	O
on	O
the	O
Bluetooth	B-Protocol
standard	O
.	O
</s>
<s>
It	O
was	O
essentially	O
identical	O
to	O
the	O
revised	O
Apple	O
Keyboard	B-Device
offered	O
four	O
months	O
earlier	O
.	O
</s>
<s>
According	O
to	O
the	O
Apple	O
website	O
,	O
it	O
is	O
not	O
compatible	O
with	O
iPads	B-Device
,	O
unlike	O
later	O
models	O
.	O
</s>
<s>
(	O
A1255	O
,	O
aluminium	O
,	O
78	O
keys	O
,	O
Bluetooth	B-Protocol
)	O
In	O
2007	O
,	O
an	O
updated	O
model	O
clad	O
in	O
aluminum	O
was	O
released	O
,	O
which	O
,	O
like	O
the	O
MacBook	O
's	O
keyboard	B-Device
,	O
eliminated	O
the	O
integrated	O
numeric	B-Device
keypad	I-Device
and	O
special	O
keys	O
.	O
</s>
<s>
It	O
takes	O
three	O
AA	O
batteries	O
,	O
with	O
the	O
power	O
button	O
on	O
the	O
right-hand	O
side	O
of	O
the	O
keyboard	B-Device
opposite	O
the	O
battery	O
opening	O
.	O
</s>
<s>
(	O
A1314	O
,	O
aluminium	O
,	O
78	O
keys	O
,	O
Bluetooth	B-Protocol
2.0	O
,	O
MC184LL/A	O
and	O
MC184LL/B	O
)	O
On	O
October	O
20	O
,	O
2009	O
,	O
the	O
aluminum	O
model	O
was	O
updated	O
(	O
MC184LL/A	O
)	O
so	O
that	O
only	O
two	O
AA	O
batteries	O
are	O
needed	O
instead	O
of	O
three	O
;	O
two	O
changes	O
occurred	O
in	O
the	O
physical	O
appearance	O
:	O
firstly	O
,	O
the	O
placement	O
of	O
the	O
plastic	O
window	O
for	O
the	O
Bluetooth	B-Protocol
transceiver	O
,	O
which	O
moved	O
from	O
the	O
right-hand	O
side	O
of	O
the	O
keyboard	B-Device
's	O
bottom	O
to	O
the	O
centre	O
,	O
and	O
secondly	O
,	O
the	O
keyboard	B-Device
was	O
a	O
few	O
millimeters	O
wider	O
in	O
depth	O
than	O
the	O
previous	O
wireless	O
keyboard	B-Device
.	O
</s>
<s>
Like	O
the	O
Magic	O
Mouse	O
released	O
on	O
the	O
same	O
date	O
,	O
it	O
requires	O
Mac	B-Device
OS	I-Device
X	I-Device
10.6	I-Device
or	O
later	O
.	O
</s>
<s>
In	O
July	O
2011	O
,	O
a	O
minor	O
update	O
(	O
MC184LL/B	O
)	O
was	O
made	O
to	O
the	O
previous	O
model	O
,	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
Lion	I-Application
.	O
</s>
<s>
The	O
Exposé	O
and	O
Dashboard	B-Application
legends	O
have	O
been	O
replaced	O
with	O
those	O
for	O
Mission	O
Control	B-Device
and	O
Launchpad	O
,	O
respectively	O
.	O
</s>
<s>
October	O
13	O
,	O
2015	O
–	O
May	O
2021	O
:	O
MLA22LL/A	O
(	O
EMC	O
2815	O
)	O
$99	O
;	O
SilverReleased	O
for	O
OS	B-Operating_System
X	I-Operating_System
El	I-Operating_System
Capitan	I-Operating_System
and	O
later	O
.	O
</s>
<s>
It	O
has	O
a	O
built-in	O
rechargeable	O
Lithium-ion	O
battery	O
with	O
a	O
Lightning	B-Architecture
connector	I-Architecture
for	O
charging	O
and	O
an	O
on/off	O
switch	O
.	O
</s>
