<s>
The	O
NEC	O
PC-6000	B-Device
series	I-Device
is	O
a	O
series	O
of	O
8-bit	O
home	O
computers	O
introduced	O
in	O
November	O
1981	O
by	O
NEC	O
Home	O
Electronics	O
.	O
</s>
<s>
There	O
are	O
several	O
models	O
in	O
this	O
series	O
,	O
such	O
as	O
the	O
PC-6001	B-Device
,	O
the	O
PC-6001	B-Device
MK2	O
and	O
the	O
PC-6001	B-Device
MK2	O
SR	O
.	O
</s>
<s>
There	O
is	O
also	O
an	O
American	O
version	O
,	O
called	O
the	O
NEC	B-Device
TREK	I-Device
,	O
or	O
NEC	B-Device
PC-6001A	I-Device
.	O
</s>
<s>
It	O
was	O
followed	O
by	O
the	O
PC-6600	B-Device
series	I-Device
.	O
</s>
<s>
Several	O
peripherals	O
were	O
available	O
for	O
the	O
system	O
in	O
North	O
America	O
,	O
including	O
an	O
expander	O
with	O
three	O
cartridge	B-Protocol
jacks	O
(	O
some	O
of	O
the	O
cartridge-based	B-Protocol
games	I-Protocol
used	O
two	O
cartridges	B-Protocol
)	O
,	O
a	O
cassette-tape	O
recorder	O
,	O
a	O
5.25	B-Device
"	I-Device
floppy	B-Device
disk	I-Device
drive	I-Device
,	O
a	O
printer	O
,	O
and	O
a	O
touchpad	B-Application
.	O
</s>
<s>
They	O
started	O
manufacturing	O
the	O
PC-8001	B-Device
and	O
its	O
peripherals	O
which	O
were	O
developed	O
by	O
the	O
Electronic	O
Devices	O
Group	O
of	O
Nippon	O
Electric	O
.	O
</s>
<s>
They	O
started	O
developing	O
a	O
low-cost	O
home	O
computer	O
,	O
and	O
it	O
became	O
the	O
PC-6001	B-Device
.	O
</s>
<s>
At	O
the	O
same	O
time	O
,	O
the	O
Electronic	O
Devices	O
Group	O
developed	O
the	O
PC-8801	B-Device
for	O
home	O
and	O
business	O
,	O
and	O
the	O
Information	O
Processing	O
Group	O
developed	O
the	O
PC-9801	B-Operating_System
for	O
business	O
market	O
.	O
</s>
<s>
NEC	O
Home	O
Electronics	O
discontinued	O
development	O
of	O
the	O
PC-6000	B-Device
series	I-Device
,	O
the	O
PC-6600	B-Device
series	I-Device
,	O
and	O
the	O
PC-8000	B-Device
series	I-Device
.	O
</s>
<s>
These	O
lines	O
were	O
merged	O
to	O
the	O
PC-8800	B-Device
series	I-Device
.	O
</s>
<s>
The	O
PC-6001	B-Device
has	O
the	O
µPD780	O
processor	O
(	O
NEC	O
clone	O
of	O
Zilog	B-General_Concept
Z80	I-General_Concept
)	O
,	O
16	O
KB	O
RAM	B-Architecture
(	O
up	O
to	O
32	O
KB	O
)	O
,	O
General	B-Device
Instrument	I-Device
AY-3-8910	I-Device
3-voice	O
sound	O
generator	O
,	O
a	O
ROM	B-Protocol
Cartridge	I-Protocol
connector	O
,	O
a	O
cassette	O
tape	O
interface	O
,	O
2	O
x	O
joystick	B-Device
port	O
,	O
a	O
parallel	O
printer	O
connector	O
,	O
an	O
RF	O
modulator	O
output	O
and	O
a	O
composite	O
video	O
output	O
.	O
</s>
<s>
The	O
ROM	B-Protocol
cartridge	I-Protocol
allowed	O
the	O
user	O
to	O
easily	O
use	O
software	O
such	O
as	O
video	O
games	O
.	O
</s>
<s>
The	O
Japanese	O
version	O
uses	O
a	O
chiclet	B-Device
keyboard	I-Device
while	O
a	O
North	O
American	O
version	O
(	O
PC-6001A	B-Device
)	O
uses	O
a	O
typewriter	O
keyboard	B-Device
.	O
</s>
<s>
The	O
PC-6001mkII	O
has	O
64	O
KB	O
memory	O
,	O
16	O
KB	O
video	O
RAM	B-Architecture
,	O
a	O
5¼-inch	O
2D	O
floppy	B-Device
drive	I-Device
interface	O
,	O
Kanji	O
character	O
generator	O
,	O
RGB	O
monitor	O
out	O
,	O
speech	O
synthesizer	O
unit	O
and	O
a	O
typewriter	O
keyboard	B-Device
.	O
</s>
