<s>
The	O
Olivetti	B-Device
P6040	I-Device
was	O
a	O
personal	B-Device
computer	I-Device
,	O
described	O
by	O
its	O
maker	O
as	O
a	O
personal	O
minicomputer	O
.	O
</s>
<s>
The	O
P6040	O
was	O
programmable	O
in	O
Mini	O
BASIC	O
and	O
featured	O
a	O
floppy	B-Device
disk	I-Device
drive	I-Device
that	O
used	O
proprietary	O
2.5-inch	O
sleeveless	O
disks	O
called	O
"	O
Minidisk	O
"	O
.	O
</s>
<s>
It	O
was	O
produced	O
starting	O
from	O
1977	O
and	O
was	O
the	O
first	O
microprocessor-based	O
Olivetti	O
computer	O
,	O
the	O
Intel	B-General_Concept
8080	I-General_Concept
,	O
instead	O
of	O
on	O
TTL	B-General_Concept
logic	I-General_Concept
CPU	O
.	O
</s>
<s>
Designed	O
by	O
Pier	O
Giorgio	O
Perotto	O
,	O
it	O
was	O
presented	O
at	O
Hannover	O
Messe	O
in	O
April	O
1975	O
together	O
with	O
the	O
P6060	B-Device
,	O
its	O
hardware	B-Architecture
used	O
TTL	B-General_Concept
technology	O
.	O
</s>
<s>
The	O
P6040	O
was	O
little	O
in	O
dimensions	O
and	O
weight	O
,	O
thanks	O
to	O
the	O
introduction	O
of	O
microprocessor	B-Architecture
(	O
for	O
the	O
first	O
time	O
at	O
Olivetti	O
)	O
.	O
</s>
