<s>
The	O
Apple	B-Application
Certified	I-Application
Desktop	I-Application
Technician	I-Application
(	O
ACDT	B-Application
)	O
was	O
a	O
computer	O
certification	O
that	O
verified	O
the	O
ability	O
of	O
a	O
person	O
to	O
perform	O
basic	O
repairs	O
and	O
troubleshooting	O
on	O
Apple	O
's	O
desktop	B-Device
Macintosh	B-Device
computers	O
.	O
</s>
<s>
It	O
has	O
been	O
superseded	O
by	O
the	O
Apple	O
Certified	O
Macintosh	B-Device
Technician	O
(	O
or	O
ACMT	O
)	O
certification	O
,	O
which	O
combines	O
the	O
former	O
desktop	B-Device
and	O
portable	B-Device
qualifications	O
into	O
one	O
.	O
</s>
