<s>
The	O
Laser	B-Device
50	I-Device
is	O
an	O
educational	O
portable	O
computer	O
sold	O
by	O
Vtech	O
that	O
ran	O
the	O
BASIC	O
programming	O
language	O
.	O
</s>
<s>
The	O
Laser	B-Device
50	I-Device
used	O
a	O
Zilog	B-General_Concept
Z80	I-General_Concept
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
running	O
at	O
3.5	O
MHz	O
,	O
2	O
kB	O
to	O
18	O
kB	O
of	O
RAM	B-Architecture
,	O
a	O
12	O
kB	O
ROM	B-Device
,	O
and	O
a	O
80x7	O
dots	O
LCD	B-Device
screen	I-Device
.	O
</s>
