<s>
The	O
Chooser	B-Operating_System
is	O
an	O
application	O
program	O
for	O
Macintosh	B-Application
systems	I-Application
using	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
.	O
</s>
<s>
The	O
Chooser	B-Operating_System
started	O
out	O
as	O
a	O
desk	B-Application
accessory	I-Application
and	O
became	O
a	O
standalone	O
application	O
program	O
as	O
of	O
System	B-Operating_System
7	I-Operating_System
.	O
</s>
<s>
The	O
Chooser	B-Operating_System
allowed	O
users	O
to	O
connect	O
to	O
AppleShare	O
file	O
servers	O
(	O
via	O
AppleTalk	B-Application
or	O
TCP/IP	B-Protocol
)	O
,	O
enable	O
or	O
disable	O
the	O
network	O
access	O
,	O
and	O
select	O
which	O
printer	O
to	O
use	O
.	O
</s>
<s>
The	O
original	O
Macintosh	B-Device
computer	O
included	O
two	O
high-speed	O
(	O
for	O
the	O
era	O
)	O
serial	B-Protocol
ports	I-Protocol
that	O
were	O
used	O
for	O
most	O
external	O
connectivity	O
.	O
</s>
<s>
A	O
small	O
desk	B-Application
accessory	I-Application
called	O
Choose	O
Printer	O
allowed	O
the	O
printer	O
driver	O
and	O
serial	B-Protocol
port	I-Protocol
to	O
be	O
selected	O
for	O
the	O
connected	O
printer	O
.	O
</s>
<s>
The	O
icons	O
were	O
expected	O
to	O
physically	O
resemble	O
the	O
printer	O
in	O
question	O
and	O
were	O
contained	O
in	O
the	O
drivers	O
 '	O
resource	B-Operating_System
fork	I-Operating_System
.	O
</s>
<s>
At	O
this	O
point	O
the	O
two	O
serial	B-Protocol
ports	I-Protocol
appeared	O
,	O
allowing	O
the	O
user	O
to	O
indicate	O
which	O
port	O
that	O
printer	O
was	O
connected	O
to	O
.	O
</s>
<s>
When	O
Apple	O
introduced	O
the	O
LaserWriter	O
,	O
its	O
very	O
high	O
cost	O
meant	O
that	O
the	O
only	O
cost-effective	O
way	O
to	O
use	O
it	O
was	O
shared	O
among	O
a	O
small	O
workgroup	B-Device
of	O
Macintoshes	B-Device
.	O
</s>
<s>
This	O
necessitated	O
the	O
inclusion	O
of	O
AppleTalk	B-Application
,	O
a	O
simple	O
networking	O
implementation	O
which	O
used	O
low-cost	O
cabling	O
and	O
the	O
same	O
physical	O
RS-422	O
serial	B-Protocol
port	I-Protocol
hardware	O
.	O
</s>
<s>
As	O
AppleTalk	B-Application
became	O
useful	O
for	O
other	O
types	O
of	O
networking	O
,	O
such	O
as	O
file	O
sharing	O
,	O
the	O
Choose	O
Printer	O
accessory	O
was	O
renamed	O
to	O
simply	O
Chooser	B-Operating_System
.	O
</s>
<s>
The	O
Chooser	B-Operating_System
became	O
the	O
main	O
point	O
to	O
add	O
top-level	O
configuration	O
options	O
for	O
both	O
networking	O
and	O
printing	O
.	O
</s>
<s>
Starting	O
with	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.0	I-Operating_System
,	O
the	O
Chooser	B-Operating_System
was	O
replaced	O
by	O
macOS	B-Application
's	O
integrated	O
networking	O
features	O
in	O
the	O
Finder	B-Application
.	O
</s>
<s>
For	O
the	O
printing	O
functions	O
,	O
they	O
were	O
found	O
in	O
the	O
separate	O
Print	O
Center	O
(	O
10.0	O
–	O
10.2	O
)	O
and	O
Printer	B-Operating_System
Setup	I-Operating_System
Utility	I-Operating_System
(	O
10.3	O
–	O
10.4	O
)	O
applications	O
and	O
in	O
the	O
Print	O
&	O
Fax	O
(	O
10.3	O
–	O
10.6	O
)	O
,	O
Print	O
&	O
Scan	O
(	O
10.7	O
–	O
10.8	O
)	O
and	O
Printers	O
&	O
Scanners	O
(	O
10.9	O
and	O
later	O
)	O
panes	O
in	O
System	O
Preferences	O
(	O
10.0	O
–	O
12	O
)	O
and	O
System	O
Settings	O
(	O
13	O
and	O
later	O
)	O
applications	O
.	O
</s>
