<s>
The	O
NDR	B-Device
Klein	I-Device
Computer	I-Device
,	O
abbreviated	O
NKC	O
,	O
was	O
a	O
do-it-yourself	O
computer	O
project	O
from	O
the	O
early	O
1980s	O
developed	O
by	O
(	O
RDK	O
)	O
and	O
Joachim	O
Arendt	O
.	O
</s>
<s>
In	O
1984	O
,	O
the	O
computer	O
was	O
featured	O
in	O
the	O
educational	O
television	O
series	O
NDR-Klein-Computer	B-Device
for	O
NDR-Schulfernsehen	O
(	O
NDR	O
School	O
Television	O
)	O
.	O
</s>
<s>
The	O
NDR	B-Device
Klein	I-Device
Computer	I-Device
was	O
created	O
by	O
Rolf-Dieter	O
Klein	O
,	O
a	O
computer	O
enthusiast	O
who	O
regularly	O
contributed	O
articles	O
to	O
the	O
German	O
computer	O
magazine	O
mc	O
.	O
</s>
<s>
The	O
series	O
,	O
titled	O
NDR-Klein-Computer	B-Device
,	O
consisted	O
of	O
twenty-six	O
episodes	O
of	O
fifteen	O
minutes	O
each	O
.	O
</s>
<s>
The	O
NKC	O
was	O
built	O
with	O
several	O
different	O
hardware	O
configurations	O
,	O
from	O
a	O
simple	O
8-bit	O
single-board	B-Device
computer	I-Device
based	O
on	O
a	O
Zilog	B-General_Concept
Z80A	I-General_Concept
processor	O
to	O
a	O
32-bit	O
system	O
equipped	O
with	O
a	O
Motorola	B-Device
68020	I-Device
CPU	O
.	O
</s>
<s>
The	O
software	O
could	O
be	O
loaded	O
with	O
EPROMs	B-General_Concept
or	O
involve	O
an	O
operating	O
system	O
such	O
as	O
CP/M	B-Application
which	O
could	O
handle	O
executable	O
programs	O
in	O
various	O
programming	O
languages	O
.	O
</s>
<s>
A	O
helper	O
card	O
with	O
an	O
Intel	B-Device
8088	I-Device
processor	O
allowed	O
the	O
NKC	O
to	O
run	O
MS-DOS	B-Application
.	O
</s>
<s>
Systems	O
could	O
be	O
customized	O
to	O
handle	O
many	O
different	O
peripherals	O
including	O
PS/2	B-Protocol
keyboard	I-Protocol
,	O
3½-inch	O
floppy	O
disks	O
,	O
IDE-hard	O
drives	O
and	O
modern	O
storage	O
.	O
</s>
<s>
For	O
instance	O
,	O
a	O
system	O
could	O
contain	O
a	O
new	O
graphics	O
card	O
(	O
with	O
VGA	B-Protocol
connector	I-Protocol
)	O
,	O
one	O
serial	O
port	O
,	O
a	O
sound	O
card	O
,	O
and	O
a	O
mouse	O
connector	O
.	O
</s>
<s>
Another	O
system	O
configuration	O
that	O
supports	O
booting	O
via	O
the	O
IDE-interface	O
has	O
been	O
developed	O
for	O
the	O
68xxx	B-Device
family	I-Device
.	O
</s>
